Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1

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  - 1
    - Best ASP.NET Hosting? I am looking for a new ASP.NET hosting company. I prefer... UPTIME, RELIABILITY and SPEED!!!! ASP.NET 3.5 support SQL Server support Good, proactive customer support Any thoughts? What are your experiences? (I trust you all more than reviews.) Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145794
  - 2
    - Comparing Data This is a multi-part message in MIME format. ------=_NextPart_000_0006_01C8E735.6D5CF270 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable We have an xml representation that we read over http. We turn this into = ado data sets for use in our application. We bind to these data sets.=20 We download load this data on a periodic basis. We want to compare the = newly downloaded data with the current data and have data change events = trigger for only changes(adds, modifies, and deletes) in the data.=20 What is the best approach for this? TIA=20 --=20 Howard Swope [ mailto:howard.swopeATnavteqDOTcom ] Technical Lead Media Development Navteq Traffic [ http://www.navteq.com ] [ http://www.traffic.com ] ------=_NextPart_000_0006_01C8E735.6D5CF270 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=3DContent-Type content=3D"text/html; = charset=3Diso-8859-1"> <META content=3D"MSHTML 6.00.6000.16674" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=3D#ffffff> <DIV><FONT face=3DArial size=3D2>We have an xml representation that we = read over=20 http. We turn this into ado data sets for use in our application. We = bind to=20 these data sets. </FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>We download load this data on a = periodic basis. We=20 want to compare the newly downloaded data with the current data and have = data=20 change events trigger for only changes(adds, modifies, and=20 deletes) in the data. </FONT></DIV> <DIV> </DIV> <DIV><FONT face=3DArial size=3D2>What is the best approach for = this?</FONT></DIV> <DIV> </DIV> <DIV><FONT face=3DArial size=3D2>TIA</FONT> </DIV><FONT = face=3DArial size=3D2> <DIV><BR>-- <BR>Howard Swope [ <A=20 href=3D"mailto:howard.swopeATnavteqDOTcom">mailto:howard.swopeATnavteqDOT= com</A>=20 ]<BR>Technical Lead<BR>Media Development<BR>Navteq Traffic [ <A=20 href=3D"http://www.navteq.com">http://www.navteq.com</A> ] [ <A=20 href=3D"http://www.traffic.com">http://www.traffic.com</A> ]</DIV> <DIV> </DIV> <DIV></FONT> </DIV></BODY></HTML> ------=_NextPart_000_0006_01C8E735.6D5CF270-- Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145792
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    - Parameter in Subquery Hello, I am trying to do a query to obtain the quantity bought of articles by Families between a period of date and I am using the following query: Select f.nombre, (select sum (ldp.cant) as ' Cant. Comprada' from LINDPRO as ldp where ldp.codfam=fam.codigo and ldp.fecha <=desfec and ldp.fecha> =hasfec)) from Familas as f; When I executed the query get a error because it takes parameters (desfec and hasfec). Is it possible to do it. Thanks. Jose A. FernÃ¡ndez Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145791
  - 4
    - see dot net interview questions .NET database dev questions http://freedownloadablebooks.blogspot.com/2008/03/net-database-dev-questions.html Some general quickies http://freedownloadablebooks.blogspot.com/2008/03/some-general-quickies.html .NET WebDev interview questions - Part 1 http://freedownloadablebooks.blogspot.com/2008/03/net-webdev-interview-questions-part-1.html .NET WebDev interview questions - Part 3 http://freedownloadablebooks.blogspot.com/2008/03/net-webdev-interview-questions-part-3.html Electronic engineer interview questions http://freedownloadablebooks.blogspot.com/2008/03/electronic-engineer-interview-questions.html C++ notes for discussion http://freedownloadablebooks.blogspot.com/2008/03/c-notes-for-discussion.html Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145790
  - 5
    - IsolationLevel of ReadUncommitted Hi, I was wondering if you could use SqlCommand.BeginTransaction( IsolationLevel.ReadUncommitted ) to speed up a database read, and if so, is it necessary to perform the EndTransaction after the read is complete? Can you use this approach for asynchronous database reading as well? Any suggestions are welcome - my problem is that there are several users who are notified any time a particular table is changed, and they will all try and read the table the moment they are notified, and noticable delays occur (longer than you would expect from the time it takes to get the result set from running the query from the Query Analyzer - not necessarily a fair comparison). Any help would be appreciated. Thanks in advance. Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145789
  - 6
    - Does a DataView increase the speed of an DataTable.Select ? Hi out there, I use an algorithm which uses different selects in loops and needs some optimizations. I read in a book that when I define a DataView with a specific sort my DataTable.select is faster. (The tables have a primary key and the select is containing these fields). Is it true? Thanks, Frank Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145787
  - 7
    - Designer Louis Vuitton Geant Canvas Couguar - Gray 93084gray Designer Louis Vuitton Geant Canvas Couguar - Gray 93084gray Handbags, Luxury, Best,Inspired Designer Handbags : http://www.bagsbrand.com Louis Vuitton Geant Canvas Couguar - Gray 93084gray Link : http://www.bagsbrand.com/Louis-Vuitton-93084gray.html Brand : Louis Vuitton ( http://www.bagsbrand.com/Louis-Vuitton-Handbags.html ) Model : 93084gray Louis Vuitton Geant Canvas Couguar - Gray Details : Gray color Louis Vuitton leather with canvasRound type leathr handle with silver buckleSilver color zipper closure at the topLouis Vuitton name at the frontInside it has flat pocket and a cellphone holderComes with serial numbers, authenticity card, dust bag, and care booklet SIZE : 16.5" x 14.2" x 6.7" Louis Vuitton Geant Canvas Couguar - Gray 93084gray : http://www.bagsbrand.com/Louis-Vuitton-93084gray.html Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145786
  - 8
    - Designer Chloe Tracy Pocket Tote - Black 049 black Handbags, Luxury, Designer Chloe Tracy Pocket Tote - Black 049 black Handbags, Luxury, Best,Inspired Designer Handbags : http://www.bagsbrand.com Chloe Tracy Pocket Tote - Black 049 black Link : http://www.bagsbrand.com/Chloe-049-black.html Brand : Chloe ( http://www.bagsbrand.com/Chloe-Handbags.html ) Model : 049 black Chloe Tracy Pocket Tote - Black Details : Gorgeous black leather handbagZip closure on top, elegant lining, and zip pocket insideFlat hand straps fixed by cute metallic studsFront pockets with hidden snaps and zip fastener aside Metallic six protective studs on the base Comes with serial numbers, authenticity card, dust bag, and care booklet SIZE : 17.5" x 10" x 4.5" Chloe Tracy Pocket Tote - Black 049 black : http://www.bagsbrand.com/Chloe-049-black.html Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145785
  - 9
    - Winform sql server app Hi I am new to sql server and need to build a one-many winform app with visual studio 2008 and sql server backend and need some pointers. I have the following questions; 1. If I create the app by creating a relationship between master and child tables in dataset and then dragging the master table and relation onto a form to auto generate everything, would that be a good enough way to cerate the app? If so, what more can I do to turn it into a robust enough app such as error handling etc? If this is not a good way to cerate app what should I instead do? 2. Is there a good book on the subject of vs2008/vb2008 and sql server 2005 specifically, that will me sufficient advise on how to develop the app? Many Thanks Regards Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145783
  - 10
    - DataColumnMapping error Hi I just don't get this. If I create a DataColumnMappingCollection and then copy it to an array when I then try to use the array like this I get error: System.ArgumentException was unhandled Message="The DataColumnMapping is already contained by another DataColumnMappingCollection." If I create the DataColumnMapping arrays manually it works. I was just using 1 item in both arrays. DataColumnMapping[] mappings = GetColumnMappings(maps); DataTableMapping tableMap = new DataTableMapping(null, null, mappings); public static DataColumnMapping[] GetColumnMappings(JobRuleColumnMapping[] mappings) { DataColumnMappingCollection mapColl = new DataColumnMappingCollection(); foreach (JobRuleColumnMapping map in mappings) { if (map.Source != null && map.Destination != null) mapColl.Add(map.Source, map.Destination); } DataColumnMapping[] mapArr = new DataColumnMapping[mapColl.Count]; mapColl.CopyTo(mapArr, 0); return mapArr; } Can someone please explain this? Thanks Andrew Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145782
  - 11
    - dataset and different connections when i design application which has dataset, i create connection at design time. Then I use this connection to design table adapters. Now assume this application will run in different environments. The structure of database will be the same, however connection string may change. Is it possible to create connection string dinamically such way that designed table adapters still work? -- Aleks Kleyn http://www.geocities.com/aleks_kleyn Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145781
  - 12
    - Connection poolling Hi, Despite somme reading (including doc, Reflector, etc.), i dont't really understand wich is the best method between Close and Dispose (or perhaps the both) to get pooling with SQL Server with a well defined connection string ? If any body have some idea or a good pattern to close a connection ? Best regards Gilles *** Sent via Developersdex http://www.developersdex.com *** Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145773
  - 13
    - MDB is not Updated only data Set Good Afternoon, I did the following step by step and i found out that the MDB or Access 2003 Database was not updated. 1. Create a new solution 2. Click Data Sources on the Solution Explorer 3. Create a new connection on an MDB File 4. Under the Dataset of Data Sources I Click Choose Detail 5. I Click and Drag the Dataset on my Form. 6. Automatically Binding Navigator, Add, Edit, Delete and Save Button Appeared. 7. Click Run 8. Add a new Record 9. Save it 10. I check the MDB but no record was added. 11. Only the Dataset was updated. When I exit the Application no changes were made. I did the same for SQL. it was updated. How come it doesnt work with MS Access??? Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145771
  - 14
    - SQL Express Edition We are currently tied between two options. One is to use Microsoft Access 2003 or Use MS SQL Express Edition (Bundled with Visual Studio.Net 2005). I read a documentation Saying that in The Express Edition you can't make a parallel Query etc... Our company is just a small business catering to a maximum of 20 Concurrent Connections on a Database. Is it ok if we use SQL Express Edition? What are the Pros and Cons? We are finding it hard to develop Application using MS Access because of Limited Resources and one thing more we are all new to this technology because we are using Foxpro for DOS 2.6 and Visual Foxpro 7.0. MS SQL 2005 is very expensive and our company can't afford it now. Will you please give me some advice. Do you have sample source codes that implements MS Access VB.NEt 2005 with Parent and Child Tables using DataGridView and having Default Buttons such as Add, Edit, Delete, Find, Save where everything was done programmatically including connection strings, Data Adapter etc... This will really fastrack our Development Process. We downloaded a few but some are not working when we run it our Visual Studio.Net 2005. It is really hard on part to develop since our company is using only Dial Up internet with 56 KBPS Connection. Thanks in advance for your kind support. Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145766
  - 15
    - Currency manager changes position on endedit Hi I have a winform app with fields bound to a backbend db via a currency manager (System.Windows.Forms.CurrencyManager). The app generally works fine but in a specific instance where I select a value from a drop down control and then call the MyCurrencyManager.EndCurrentEdit(), to begin to try to save the record, the position of the currency manger becomes -1 which creates problem in saving and accessing the original record. What could be the problem and how can I debug this? Many Thanks Regards Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145765
  - 16
    - Running queries with low priority in ado.net on access database Hi We have an access database with several users. I run a number of queries in sequence via ado.net on the same database form time to time. The problem is that when the queries are run the users are almost locked out of database due to low responsiveness of the database during the period the queries are run. I am running the queries via OleDBCommand.ExecuteNonQuery(). Is there any way to run these queries at low priority? Also what is the correct way to give delay between queries to allow access database to be responsive to other users? Many Thanks Regards Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145761
  - 17
    - Running queries with low priority Hi We have an access database with several users. I run a number of queries in sequence via ado.net on the same database form time to time. The problem is that when the queries are run the users are almost locked out of database due to low responsiveness of the database during the period the queries are run. I am running the queries via OleDBCommand.ExecuteNonQuery(). Is there any way to run these queries at low priority? Also what is the correct way to give delay between queries to allow access database to be responsive to other users? Many Thanks Regards Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145760
  - 18
    - DataSet Cascade update is slow Hi, I have a master-detail relation between two tables in a typed DataSet. The relation is enforced by forgein-key relation with update/delete cascade. The user can create a master recorde (the session) and then adds details to the session. Which can be some tens of thousands of rows. Saving the session to the database (calling DataAdapter.Update) never ends for large number of details. I am suspecting the cascade update to take a lot of time. I mean when the new ID of the session is set on all the details rows before saving them in their turn. How can I accelerate this step of cascade? Why setting a field value (the master ID) on some 10 of thousands of rows is that slow? Thanks Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145759
  - 19
    - Query regarding DataReader I was trying to fill an object using DataReader. but the queries were such that one query returned 14 columns and another returned 18 columns. i was trying to read data from reader in such a way that it incorporated this in single method. but the problem was that it was throwing an IndexOutOfRange exception is there is way except for reading schema that i can fetch data only if if exists? Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145757
  - 20
    - "Linq to Sql" - Creating a Non-Unique Index on a Property Hello, Is there a way to set up a non-unique index during database creation (i.e. on the call to DataContext.CreateDatabase), with Linq to Sql? A second property marked as a primary key won't quite work for my scenario. I could always execute a custom script in DataContext.OnCreated(), but if there is a way to do this in the designer or the XML, that would be ideal. Cheers, Rich Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145756
  - 21
    - Select from multiple tables in typed DataSet Hi, This may be a very silly question, but it has me beat at the moment. How do I select data from more than one table into a typed DataSet? I added a typed DataSet to my project with two related tables, and I specified the relationship between them. What I need to do is execute a query like this: SELECT a.col1, a.col2, b.col3 FROM a, b WHERE a.col1 = b.col1 AND b.col4 IN (@list) The list parameter is a string holding a comma separated (and quoted), arbitrary length list. Obviously I can only define the query on one of the tables in the DataSet - but when I get results back, they only contain columns for the one table. I.e. if I've defined the query on table a, I only get two columns in the result. I can see why this should be the case, but is there a way that I can get a result that contains columns from both tables. Sorry if this is really obvious and I've just missed it. Cheers Peter Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145754
  - 22
    - WQL query builder Prompt UI control which would allow to construct WQL queries? http://www.alvas.net - Audio tools for C# and VB.Net developers Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145753
  - 23
    - Please ignore This is a test. Please ignore it Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145752
  - 24
    - Map data from one DataTable to another Hi I have a DataTable with data which I need to import into another typed DataTable at runtime. The columns in the first DataTable may be different. I have a DataColumnMappingCollection (which the application user creates) which maps the first DataTable column names to the second. The first table may have more columns than I need to import to the second. It's also possible that I may need to convert types from rows in the first table to the second. What's the most efficient way to get the data into the correct columns in the second table? I did wonder about doing something with the DbDataAdapter before filling the first table. However it looked like I would have to query the data twice from the data source. The first time to get the column names and then the second after creating new column mappings. Is this a good idea? Cheers Andrew Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145748
  - 25
    - to find the data from one dataview not in another dataview Dear all I have a two dataview e.g. dataview A row 1 A B C D dataview B A B C D E I want to find the data in dataview B not in dataview A e.g. E Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145747
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    - Power Packs 3.0 Data Repeater I can't add a control on a data repeater included on Visual Basic Power Packs 3.0... Will you please help me out. I'm using MS Access 2003 and Visual Basic.NEt 2005 Express. I will be using a weak type. I was just starting to build. Here are the steps. 1. I created a form 2. I Drag a data repeater from the Toolbox 3. I add a textbox inside the data repeater 4. When I run the Form. The Textbox did not appear. 5. It did not generate any error then.. 6. When I click Close or Click a part of the Form: Object reference not set to an instance of an object. System.NullReferenceException was unhandled Message="Object reference not set to an instance of an object." Source="Microsoft.VisualBasic.PowerPacks" StackTrace: at Microsoft.VisualBasic.PowerPacks.NullDataManager.CancelCurrentEdit() at Microsoft.VisualBasic.PowerPacks.DataRepeater.CancelEdit() at Microsoft.VisualBasic.PowerPacks.DataRepeater.EndCurrentItemEdit() at Microsoft.VisualBasic.PowerPacks.DataRepeater.OnValidating(CancelEventArgs e) at System.Windows.Forms.Control.PerformControlValidation(Boolean bulkValidation) at System.Windows.Forms.ContainerControl.ValidateThroughAncestor(Control ancestorControl, Boolean preventFocusChangeOnError) at System.Windows.Forms.ContainerControl.ValidateInternal(Boolean checkAutoValidate, Boolean& validatedControlAllowsFocusChange) at System.Windows.Forms.ContainerControl.Validate(Boolean checkAutoValidate) at System.Windows.Forms.Form.WmClose(Message& m) at System.Windows.Forms.Form.WndProc(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) at System.Windows.Forms.UnsafeNativeMethods.CallWindowProc(IntPtr wndProc, IntPtr hWnd, Int32 msg, IntPtr wParam, IntPtr lParam) at System.Windows.Forms.NativeWindow.DefWndProc(Message& m) at System.Windows.Forms.Form.DefWndProc(Message& m) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ScrollableControl.WndProc(Message& m) at System.Windows.Forms.ContainerControl.WndProc(Message& m) at System.Windows.Forms.Form.WmSysCommand(Message& m) at System.Windows.Forms.Form.WndProc(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) at System.Windows.Forms.UnsafeNativeMethods.CallWindowProc(IntPtr wndProc, IntPtr hWnd, Int32 msg, IntPtr wParam, IntPtr lParam) at System.Windows.Forms.NativeWindow.DefWndProc(Message& m) at System.Windows.Forms.Form.DefWndProc(Message& m) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ScrollableControl.WndProc(Message& m) at System.Windows.Forms.ContainerControl.WndProc(Message& m) at System.Windows.Forms.Form.WmNcButtonDown(Message& m) at System.Windows.Forms.Form.WndProc(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg) at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(Int32 dwComponentID, Int32 reason, Int32 pvLoopData) at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context) at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context) at System.Windows.Forms.Application.Run(ApplicationContext context) at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.OnRun() at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.DoApplicationModel() at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.Run(String[] commandLine) at Purchasing_and_Warehousing_System.My.MyApplication.Main(String[] Args) in 17d14f5c-a337-4978-8281-53493378c1071.vb:line 81 at System.AppDomain._nExecuteAssembly(Assembly assembly, String[] args) at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args) at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly() at System.Threading.ThreadHelper.ThreadStart_Context(Object state) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading.ThreadHelper.ThreadStart() What does this mean? Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145745
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    - test test Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145744
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    - test test Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145743
  - 4
    - launch excel from asp.net Hi, i'm trying to launch excel from an asp.net application; i have installed excel 2003 on the server but i cant see it on the list of application dcom, do i need to do something else? Thanks. Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145742
  - 5
    - Problem getting the right output from my typed dataset I have a typed dataset which I used to generate an export file in XML which is consumed by another program. What I'm having a problem is that some of the elements aren't coming out the way I need them. For example, I have a section (which is a child table for my record) which keeps track of security accesses. The problem is, I need the output to come out like this: <SecurityAccess> <Access>AA</Access> <Access>BB</Access> </SecurityAccess> Instead, it comes out like this: <SecurityAccess> <Access>AA</Access> </SecurityAccess> <SecurityAccess> <Access>BB</Access> </SecurityAccess> How do I get it to come out the way I want it to? The schema fragment that defines this section: <xs:element name="SecurityAccess" minOccurs="0" maxOccurs="1"> <xs:complexType> <xs:sequence> <xs:element name="Access" type="AccessType" minOccurs="1" maxOccurs="unbounded" /> </xs:sequence> </xs:complexType> </xs:element> With Access Type defined as a xs:string with restrictions. Any suggestions? Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145737
  - 6
    - Importing a CSV into a Dataset (preferably. with VB.NET 2005) Is there an easy way to import the contents of a CSV text file into a Dataset, preferably using VB.NET (2005)? Here's the clincher - I cannot use code I already found out there that simply splits the lines based on commas in each line, as there are cases where there may be a comma within a string (surrounded by quotes), and I don't want to split on that. Here's the first few rows of the data to give you an idea: "Subscriber Number","Statement Date","Charge Type","Charge Description","Amount" "555-555-5555","02/11/2008","LOCAL AIRTIME, LONG DISTANCE and INTERNATIONAL CHARGES","","$0.00" "555-555-5555","02/11/2008","Taxes","","$8.60" "555-555-5555","02/11/2008","WorldClass Int'l Rate","General","$0.00" "555-555-5555","02/11/2008","BB BIS&BES AddOn","CUSTOM DATA PACKAGE","$(3.60)" I also am not having any luck with the OLEDB examples out there too, as my filename could have spaces in it (for example the current one is "Statement Detail.csv"), and trying to do a "select * from Statement Detail.csv fails every time. Any ideas/suggestions? Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145736
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    - Problem getting the right output from my typed dataset I have a typed dataset which I used to generate an export file in XML which is consumed by another program. What I'm having a problem is that some of the elements aren't coming out the way I need them. For example, I have a section (which is a child table for my record) which keeps track of security accesses. The problem is, I need the output to come out like this: <SecurityAccess> <Access>AA</Access> <Access>BB</Access> </SecurityAccess> Instead, it comes out like this: <SecurityAccess> <Access>AA</Access> </SecurityAccess> <SecurityAccess> <Access>BB</Access> </SecurityAccess> How do I get it to come out the way I want it to? The schema fragment that defines this section: <xs:element name="SecurityAccess" minOccurs="0" maxOccurs="1"> <xs:complexType> <xs:sequence> <xs:element name="Access" type="AccessType" minOccurs="1" maxOccurs="unbounded" /> </xs:sequence> </xs:complexType> </xs:element> With Access Type defined as a xs:string with restrictions. Any suggestions? Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145735
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    - Asynchronous database calls Hi Using .NET 2.0, is there anyway of invoking Sybase and Oracle stored procedures asynchronously? The scenario is this: we have some (Sybase and Oracle) stored procedures that are taking a few minutes to run. This means that our middle tier objects are â??blockedâ?? waiting for the stored procedures to return their results. I know I can use a worker thread from the user interface to effectively kick off the time consuming call to the middle tier and database. However, my real goal is to release middle tier resources as early as possible. In other words, I would like to invoke a stored procedure and immediately free up the resources consumed by the middle tier (e.g. database connection). Then, when the stored procedure completes, it somehow signals to the middle tier that the data is ready. I did something similar to this with SQL Server and extended stored procedures, where my extended stored procedure called a COM component and gave it the results. Can this be done in a .NET 2.0, Oracle 10g and Sybase ASE 12 setup? Thanks! Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145732
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  - 10
    - How to join a multi table DataSet with update of a single table? Hi, I created a DataSet with this query: Select cl.*, c.Nome CidadeCli, c.Estado EstadoCli, c.Pais PaisCli, p.Nome CidadePraca, p.Estado EstadoPraca, p.Pais PaisPraca, tc.*, di.Nome dvNome, bc.Nome bcNome, cr.Limite, cr.Bloquear, NomeRegiao, cv.Descricao cvDescricao, ba.Bairro, ba.Nome_Bairro, au.*, t.Transportadora, f.Fornecedor, ce.Nome Empresa_CidadeCli, clt.Cliente trTransporte, clt.NomeCliente trNome, entr.Nome EntregaCidadeNome, entr.Estado EntregaEstado, entr.Pais EntregaPais, cr1.Limite Limite1, ac.Descricao acDescricao From Clientes cl left outer join Cidades c on cl.Cidade = c.Cidade left outer join Cidades ce on cl.Empresa_Cidade = ce.Cidade left outer join Regioes r on r.Regiao = c.Regiao left outer join Cidades p on cl.Praca = p.Cidade left outer join TiposDeCliente tc on tc.TipoCliente = cl.TipoCliente left outer join Divulgadores di on di.Codigo = cl.Divulgador left outer join Bancos bc on bc.Banco = cl.Banco left outer join Creditos cr on cr.CodCredito = cl.CodCredito left outer join Bairros Ba on Ba.Bairro = Cl.Cod_Bairro left outer join Autor Au on Au.Autor = Cl.Cliente left outer join CalculodeVencimentos cv on cv.CalculoVencimento = Cl.Calculovencimento left outer join CalculodeVencimentos ac on ac.CalculoVencimento = Cl.Acerto_Consignacao left outer join Transportadoras t on t.Transportadora = cl.Cliente left outer join Transportadoras tp on tp.Transportadora = cl.Transportadora_Padrao left outer join Clientes clt on tp.Transportadora = clt.Cliente left outer join Fornecedor f on f.Fornecedor = cl.Cliente left outer join Cidades entr on cl.Entrega_Cidade = entr.Cidade left outer join Creditos cr1 on cr1.CodCredito = cl.Credito_Consignado This query has a lot of tables connected but the most important if the Cliente (Client) table. The foreign tables are responsible to inform the description of some codes. My idea was to create this query and have the insert, update and delete related to the Client table but when seting the DataSet, the option GenerateDBDirectMethods are not available. Is there a way to fix it? It should be intersting if VS asked which table should be used in this case. Thanks, Marco Castro Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145729
  - 11
    - How to connect ADO.NET Entities to something that is not MSSQL Hi, I'm trying to test ADO.NET Entities but the new connections available are only MS SQL drivers. How can I place other providers there? Thanks, Marco Castro Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145728
  - 12
    - Dot Net Viewers http://ganesh-freedotnetbooks1.blogspot.com http://ganesh-freedotnetbooks.blogspot.com http://freefreedownloadsoftwares.blogspot.com Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145727
  - 13
    - ANN: OleDBPro and OleDBProNet released for flexible, easy and fast accessing large database recordset Hi, All: UDAParts keeps on improving OleDBPro and OleDBProNet, and has just updated OleDBPro (2.5.0.1) for C++ and OleDBProNet (2.0.0.1) for .NET. The new important updates include: 1. In addition to 32bit regular desktop development, now OleDBPro for C++ also fully supports 64bit, CE and smartphone phone developments. 2. In addition to 32bit regular desktop development, now OleDBProNet also fully supports 64bit development too. 3. Methods FindFirst, FindNext, FindPrev and FindLast are added into both OleDBPro and OleDBProNet for finding records directly on server side with great performance, flexibility and simplicity. 4. A new sample Find added for demonstrating the usage of the above four methods for C++. The old sample RowsetFind for .NET is updated to echo the usage of these methods. The methods FindPrev and FindLast are only found in OleDBPro and OleDBProNet through MS OLEDB technology! Major OLEDB providers, ORACLE Oracle, MS SQL native client, MS client cursor engine, and advantage OLEDB providers support these finding methods fully. Now, our OleDBPro and OleDBProNet provides much more key features than other similar components like classic ADO and ADO.NET providers. See the sites http://www.udaparts.com/oledbpro.htm, http://www.udaparts.com/devguide.htm, and http://www.udaparts.com/oledbpronet.htm. Cheers! Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145725
  - 14
    - Jaeger LeCoultre Reverso Grande Taille Mechanical 270.81.10 Jaeger LeCoultre Reverso Grande Taille Mechanical 270.81.10 (q2708110), Best Luxury Watch - www.luxury-gift.org Luxury Gift : http://www.luxury-gift.org Jaeger LeCoultre Watches : http://www.luxury-gift.org//jaeger-lecoultre-watches.html Jaeger LeCoultre Reverso Grande Taille Mechanical 270.81.10 (q2708110) Link : http://www.luxury-gift.org/Watches/jaeger-lecoultre-watch-1078.html Jaeger LeCoultre Reverso Grande Taille Mechanical 270.81.10 (q2708110) Information : Brand : Jaeger LeCoultre Watches Series : Reverso Grande Taille Mechanical Code : 270.81.10 (q2708110) Gender : Mens Case Material : Stainless Steel Dial Color : Silver - White Bracelet Strap : Leather - Brown Movement : Manual Wind Clasp Type : Deployant Clasp Bezel : Crystal : Scratch Resistant Sapphire Case Back : Case Diameter : 26mm x 42mm incl. lugs. Case Thickness : 9.5mm Water Resistant : 30m Stainless steel case, Brown leather strap with folding buckle, New textured dial, Small seconds hand at 6, Reverse side in Stainless steel. Jaeger LeCoultre Reverso Grande Taille Mechanical 270.81.10 (q2708110) Link : http://www.luxury-gift.org/Watches/jaeger-lecoultre-watch-1078.html Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145722
  - 15
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  - 16
    - PnpLBZyImhfn BcBB7b sdbgh83kdf0umfn3fdhzp Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145720
  - 17
    - PnpLBZyImhfn BcBB7b sdbgh83kdf0umfn3fdhzp Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145719
  - 18
    - Dotnet Viewers http://ganesh-freedotnetbooks1.blogspot.com http://ganesh-freedotnetbooks.blogspot.com http://freefreedownloadsoftwares.blogspot.com Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145717
  - 19
    - Capture SQL statements on Client side ADO.NET Hi Everyone, I have to capture & log all SQL statements on Client side ADO.NET. It is not allowed to run SQL profiler against Oracle/SQL server. It is a winform application based on .NET 3.5. Could anyone please give me any idea about capturing&logging all SQL statements on Client side ADO.NET? Thanks a lot in advance, Jin. Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145712
  - 20
    - Missing parameter for data adapter select Hi I am using below in my dataadapter SELECT statement; SELECT <field list> FROM Clients WHERE (Status = ?) ORDER BY ID What if I need all clients regardless of status, is there a way to modify the above statement to include this situation or is a second query needed for that? Thanks Regards Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145706
  - 21
    - ANN: DBTyP.NET 2008 - Database Comparison Tool - New Release This is a multi-part message in MIME format. ------=_NextPart_000_0049_01C8DD65.908B9000 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable DBTyP.NET 2008 Release 3=20 Vienna, Austria - June 28, 2008 Today, BYPsoft announced the availability of DBTyP.NET 2008 Release 3, = the newest version of the cross-database comparison tool that compares = SQL Server, MySQL and Oracle databases (schema and data). DBTyP.NET 2008 = Release 3 is available for download from http://www.bypsoft.com. With its rich support for schema and data cross-database comparison, = DBTyP.NET takes the mystery out of databases, making their comparison = practical and easy for programmers and database administrators = everywhere. Over and above its powerful comparison capabilities till = now, BYPsoft added to the DBTyP.NET 2008 support for schema comparisons = for Oracle databases. Full cross database comparison family includes now = support for SQL Server, MySQL and Oracle databases in the latest release = of DBTyP.NET 2008 for a fraction of the cost of single-database = solution.=20 Since the DBTyP.NET is under constant development, user interface has = been redesigned and rich visual interface and easy-to-use features of = DBTyP.NET 2008 allow developers and DBAs to identify and deploy changes = quickly on all supported databases and enhance productivity and maximize = results. Features like colorfull differences, different objects icons, = visual column description, in place colorfull script differences, = multiple views and more all save time and ensure accuracy. In addition to all the new features listed above, in the latest release = of DBTyP.NET 2008 BYPsoft includes also the following:=20 a.. SQL Server 2008 Ready=20 b.. Support for SQL Server ROWGUIDCOL=20 c.. Filtered out system objects on SQL Server databases.=20 d.. Support SQLServer user defined types.=20 e.. Support MySQL ENUM and SET data types. We know that constant development is the key to progress, therefore we = already started working on all new cool features. Stay with us.=20 ------=_NextPart_000_0049_01C8DD65.908B9000 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=3DContent-Type content=3D"text/html; = charset=3Diso-8859-1"> <META content=3D"MSHTML 6.00.2900.5583" name=3DGENERATOR> <STYLE></STYLE> </HEAD><FONT face=3DArial><FONT size=3D2> <BODY> <DIV> <DIV><STRONG><FONT face=3DVerdana>DBTyP.NET 2008 Release = 3</FONT></STRONG>=20 <H2 class=3Dwestern><STRONG><FONT face=3D"Verdana, sans-serif"><FONT = size=3D2>Vienna,=20 Austria - June 28, 2008</FONT></FONT></STRONG></H2> <P><FONT face=3D"Verdana, sans-serif"><FONT size=3D2>Today, BYPsoft = announced the=20 availability of DBTyP.NET 2008 Release 3, the newest version of the=20 cross-database comparison tool that compares SQL Server, MySQL and = Oracle=20 databases (schema and data). DBTyP.NET 2008 Release 3 is available=20 for download from <A=20 href=3D"">http://www.bypsoft.com</A>.</FONT></FONT></P> <P><FONT face=3D"Verdana, sans-serif"><FONT size=3D2>With its rich = support for=20 schema and data cross-database comparison, DBTyP.NET takes the mystery = out of=20 databases, making their comparison practical and easy for programmers = and=20 database administrators everywhere. Over and above its powerful = comparison=20 capabilities till now, BYPsoft added to the DBTyP.NET 2008 support for = schema=20 comparisons for Oracle databases. Full cross database comparison family = includes=20 now support for SQL Server, MySQL and Oracle databases in the latest = release of=20 DBTyP.NET 2008 for a fraction of the cost of single-database solution.=20 <BR><BR>Since the DBTyP.NET is under constant development, user = interface has=20 been redesigned and rich visual interface and easy-to-use features of = DBTyP.NET=20 2008 allow developers and DBAs to  identify and deploy changes = quickly on=20 all supported databases and enhance productivity and maximize results. = Features=20 like colorfull differences, different objects icons, visual column = description,=20 in place colorfull script differences, multiple views and more all save = time and=20 ensure accuracy.<BR><BR>In addition to all the new features listed = above, in the=20 latest release of DBTyP.NET 2008 BYPsoft includes also the following:=20 </FONT></FONT></P> <UL> <LI> <P style=3D"MARGIN-BOTTOM: 0cm"><FONT face=3D"Verdana, = sans-serif"><FONT=20 size=3D2>SQL Server 2008 Ready </FONT></FONT></P> <LI> <P style=3D"MARGIN-BOTTOM: 0cm"><FONT face=3D"Verdana, = sans-serif"><FONT=20 size=3D2>Support for SQL Server ROWGUIDCOL </FONT></FONT></P> <LI> <P style=3D"MARGIN-BOTTOM: 0cm"><FONT face=3D"Verdana, = sans-serif"><FONT=20 size=3D2>Filtered out system objects on SQL Server databases.=20 </FONT></FONT></P> <LI> <P style=3D"MARGIN-BOTTOM: 0cm"><FONT face=3D"Verdana, = sans-serif"><FONT=20 size=3D2>Support SQLServer user defined types. </FONT></FONT></P> <LI> <P><FONT face=3D"Verdana, sans-serif"><FONT size=3D2>Support MySQL = ENUM and SET=20 data types.</FONT></FONT></P></LI></UL> <P><FONT color=3D#000000><FONT face=3D"Verdana, sans-serif"><FONT = size=3D2>We know=20 that constant development is the key to progress, therefore we already = started=20 working on all new cool features. Stay with us.=20 </FONT></FONT></FONT></P></DIV></DIV></BODY></HTML></FONT></FONT> ------=_NextPart_000_0049_01C8DD65.908B9000-- Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145703
  - 22
    - Newbie question: Cstr vs toString Hi I have a WinForm app with a bound form. When user enters a value in field rateid I lookup the respective rate amount from a table and assign it to field rate.I am using the DLookup function to achieve this (full code given below). This function returns a value of type object so I need to convert it to string. If I use the function as below (using ToString) it works fine; Me.txtRate.Text = DLookup(<parameters here>).ToString but if I use it with a CStr Me.txtRate.Text = CStr(DLookup(<parameters here>)) and then browse through 2-3 record the form stops showing data in the bound fields. This brings me to question; what is the difference between CStr and tostring that could be causing the above problem? Thanks Regards ======= Function DLookup(ByVal SearchFld As String, ByVal SearchTbl As String, ByVal SearchCriteria As String) As Object Dim Cmd As OleDb.OleDbCommand Dim Reader As OleDb.OleDbDataReader Cmd = New OleDb.OleDbCommand("SELECT " & SearchFld & " FROM " & SearchTbl & " WHERE " & SearchCriteria, DBConnection()) Reader = Cmd.ExecuteReader() If (Reader.Read()) Then DLookup = Reader.GetValue(0) Else DLookup = DBNull.Value End If Reader.Close() Reader = Nothing Cmd = Nothing End Function Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145696
  - 23
    - Count all records for all tables Hi Experts Hope Iâ??m in the correct thread. Iâ??m using VS 2005 and the .NET Framework Data Provider for Oracle to connect to an Oracle 7 database. All is ok and I can view and run simple SQL like SELECT COUNT(*) AS EXPR1 FROM ADDRESSES Iâ??m trying to write some SQL that will count all the records in all the tables. I have over 600 tables in the Oracle database. Iâ??ve tried SELECT OBJECT_NAME(id) AS Expr1, rows FROM sysindexes WHERE (indid IN (1, 0)) Which works ok when connected to SQL Server but not Oracle. Any ideas? Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145689
  - 24
    - How VS2008 DataSet generated works? Hello, I'm new in .Net world and there is so many info that I'm lost. DataSet is creted by Visual Studio 2008 to handle a FireBird database. Where can I find documentation about how to use theses classes in a better way? What is the most efective way to use it: load table by table from the database and DataSet handles it or is better create a composite query leaving the work to the database and DataSet gets the relationship already done? Thanks, Marco Castro Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145688
  - 25
    - Error occurred during the pre-login handshake Hi all, Can anyone tell me why in my production server get the error when I try to open SqlConnection using ADO.NET? The error happen intermittent. My server is running Windows Server 2003 and SQL Server 2005. Below is the error:- Source = .Net SqlClient Data Provider Error = A connection was successfully established with the server, but then an error occurred during the pre-login handshake. (provider: SSL Provider, error: 0 - Not enough storage is available to complete this operation.) | at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) at System.Data.SqlClient.TdsParser.ConsumePreLoginHandshake(Boolean encrypt, Boolean trustServerCert, Boolean& marsCapable) at System.Data.SqlClient.TdsParser.Connect(ServerInfo serverInfo, SqlInternalConnectionTds connHandler, Boolean ignoreSniOpenTimeout, Int64 timerExpire, Boolean encrypt, Boolean trustServerCert, Boolean integratedSecurity, SqlConnection owningObject) at System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, Int64 timerExpire, SqlConnection owningObject) at System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(String host, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, Int64 timerStart) at System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance) at System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance) at System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection) at System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) at System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject) at System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject) at System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) at System.Data.SqlClient.SqlConnection.Open() Tag: Working example for Inheritance in LINQ to Entity Framework using Visual Studio 2008 SP1 Tag: 145685

Does someone know any place to get working examples of inherence implemented
in Entity Framework using Visual Studio 2008 SP1.
I could only implement just one table per hierarchy (
http://www.codeproject.com/KB/architecture/LinqEntityFramework.aspx )

--
Fakher Halim

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