Sql2005 Express in Win2000 pro

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  - 1
    - Connection Pooling With ASP.NET 1.1 Does ASP.NET with ADO connecting to MS SQL Server use connection pooling by default if the connection string is always the same? If not, how does one go about evoking connection pooling ? Tag: Sql2005 Express in Win2000 pro Tag: 132173
  - 2
    - Can DataSet or DataTable be the "DataSource" of crystal report? I program using ADO.NET and plan to generate a crystal report. Can DataSet or DataTable be the "DataSource" for a crystal report (just like DataGridView) which simplify display of rows and columns? What make up the data source for crystal report? Replies are appreciated... -- Message posted via http://www.dotnetmonster.com Tag: Sql2005 Express in Win2000 pro Tag: 132172
  - 3
    - Update joined TableAdapter This is a multi-part message in MIME format. ------=_NextPart_000_0006_01C6C716.4EDB4A40 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi! (Read this with font courier new or equal) I have a table adapter which fills a datatable with data from two sql = tables: Properties, and PropCompanyInfo: tbl1.PropertyID pk identity(0,1) tbl1.PropertyName tbl2.ID pk identity(0,1) tbl2._PropertyID tbl2.CompID tbl2.Comment Selected with the query SELECT tbl1.PropertyID, tbl1.PropertyName, = tbl2.ID, tbl2._PropertyID, tbl2.CompID, tbl2.Comment from Properties=20 left outer join PropCompanyInfo on tbl1.PropertyID =3D tbl2.PropertyID = and tbl2.CompID =3D @CID The result is all rows from Properties, joined with PropCompanyInfo = where found. I have a datagrid where the user should add or edit comments (the rows = amount is static). Could look like: PropertyID PropertyName ID _PropertyID CompID Comment 7 Birdland =20 12 Fireland =20 As you can see in this example there are no rows with comments for this = company. Now I want to update tbl2 with all rows that have a comment added. I get = the message that ID don't allow null. I also have to set the _PropertyID = to the same as PropertyID, and the CompID has to be set somehow. Since I have a dataset with a datatable, I think this could be made = without events for the grid and other code? I'm not a full time developer, so I think there are some fundamental = things I don't get here? HELP! Regards Magnus ------=_NextPart_000_0006_01C6C716.4EDB4A40 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 6.00.3790.2759" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=3D#ffffff background=3D""> <DIV><FONT face=3D"Courier New" size=3D1>Hi!<BR>(Read this with font = courier new or=20 equal)<BR>I have a table adapter which fills a datatable with data from = two sql=20 tables: Properties, and=20 PropCompanyInfo:<BR><BR>tbl1.PropertyID      pk = identity(0,1)<BR>tbl1.PropertyName<BR>tbl2.ID    &nbs= p;    =20     pk=20 identity(0,1)<BR>tbl2._PropertyID<BR>tbl2.CompID<BR>tbl2.Comment<BR><BR>S= elected=20 with the query SELECT tbl1.PropertyID, tbl1.PropertyName, tbl2.ID,=20 tbl2._PropertyID, tbl2.CompID, tbl2.Comment from Properties = </FONT></DIV> <DIV><FONT face=3D"Courier New" size=3D1>left outer join PropCompanyInfo = on=20 tbl1.PropertyID =3D tbl2.PropertyID and tbl2.CompID =3D = @CID<BR></FONT><FONT=20 face=3D"Courier New" size=3D1>The result is all rows from Properties, = joined with=20 PropCompanyInfo where found.</FONT></DIV> <DIV><FONT face=3D"Courier New" size=3D1><BR>I have a datagrid where the = user should=20 add or edit comments (the rows amount is static).<BR>Could look=20 like:<BR>PropertyID  PropertyName  ID =20 _PropertyID  CompID =20 Comment<BR>7           = Birdland       </FONT></DIV> <DIV><FONT face=3D"Courier New"=20 size=3D1>12         =20 Fireland      <BR></FONT><FONT = face=3D"Courier New"=20 size=3D1></FONT></DIV> <DIV><FONT face=3D"Courier New" size=3D1>As you can see in this example = there are no=20 rows with comments for this company.<BR>Now I want to update tbl2 with = all rows=20 that have a comment added. I get the message that ID don't allow null. I = also=20 have to set the _PropertyID to the same as PropertyID, and the CompID = has to be=20 set somehow.</FONT></DIV> <DIV><FONT face=3D"Courier New" size=3D1></FONT> </DIV> <DIV><FONT face=3D"Courier New" size=3D1>Since I have a dataset with a = datatable, I=20 think this could be made without events for the grid and other=20 code?</FONT></DIV> <DIV><FONT face=3D"Courier New" size=3D1></FONT> </DIV> <DIV><FONT face=3D"Courier New" size=3D1>I'm not a full time developer, = so I think=20 there are some fundamental things I don't get here? HELP!</FONT></DIV> <DIV><FONT face=3D"Courier New" size=3D1></FONT> </DIV> <DIV><FONT face=3D"Courier New" size=3D1>Regards = Magnus</FONT></DIV></BODY></HTML> ------=_NextPart_000_0006_01C6C716.4EDB4A40-- Tag: Sql2005 Express in Win2000 pro Tag: 132170
  - 4
    - Restore fail in Asp.Net I use asp.net to restore a SqlServer database. I use the code: Restore database MyBase from disk = 'c:\xxx.bak' with Replace But after execute, it display an error message: Restore fail, the user did not have the previllage to RESTORE DATABASE 'MyBase' How can I do? Tag: Sql2005 Express in Win2000 pro Tag: 132169
  - 5
    - Accessing ODBC DSNs Way back in the old ASP days, it was possible to open a Database connection by providing only the name of the ODBC DSN that I'd created earlier. I didn't need to indicate which driver, whether the connection was to SqlServer or something else, etc. It looked like: Conn = Server.CreateObject("ADODB.Connection") Conn.Open "MyNamedDSN" In C#.Net, I'm trying to figure out what connection string I provide when I do Conn = new OleDbConnection(ConnString); if I want to connect via an ODBC DSN instead of specifying the details in the ConnectionString itself. Can you help with this? Thanks. Alex Tag: Sql2005 Express in Win2000 pro Tag: 132168
  - 6
    - DeriveParameters throws NummReferenceException Hi, I am coding under .Net compact framework and using System.Data.SqlClient connect to MS SQL server through PDA USB cradle. I can execute stored procedures and sql select or updates statements. But I always get NullreferenceException when I try to use DeriveParameters function of SQLCommand to get parameters of my stored procedure? Any idea? I tried the same function under .Net framework, it works fine. I am using SQLHelper the function is DiscoverSpParameterSet(SqlConnection connection, string spName, bool includeReturnValueParameter) And I got exception on this line SqlCommandBuilder.DeriveParameters(cmd); Anybody has experienced this before. Is it a bug for .NET CF(cannot use DeriveParameters function)? Do I have to explicit assign those parameters for my stored procedures (that would be a painful coding) thanks in advance -rockdale Tag: Sql2005 Express in Win2000 pro Tag: 132166
  - 7
    - Please tell me what is wri=ong using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.Data.SqlClient; using System.Data.Common; namespace trial_a { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { string connect_string = "SELECT * FROM Customers, Invoice"; using (SqlConnection conn = new SqlConnection()) { conn.ConnectionString = "server = fred\\sqlexpress; database = newdb;integrated security = true"; using (SqlDataAdapter da = new SqlDataAdapter(connect_string, conn)) { using (DataSet ds = new DataSet()) { da.TableMappings.Add("Table", "Customers"); da.TableMappings.Add("Table1","Invoice"); da.Fill(ds,"Table"); try { DataTable dt1 = ds.Tables[0]; DataTable dt2 = ds.Tables[1]; textBox1.Text = dt1.Rows[0].ItemArray[0].ToString(); textBox2.Text = dt2.Rows[0].ItemArray[0].ToString(); } catch (Exception x) { MessageBox.Show(x.Message); } } } } } } } Tag: Sql2005 Express in Win2000 pro Tag: 132162
  - 8
    - 1:1 Relation I have created a DataSet out of an SQL Server DB. In the server, there are several 1:1 relations, in the graphical representation of the DataSet in Visual Studio, it seems as if there were just 1:n relations. Why? Is it a bug in VS 2005 or is it impossible for an autogenerated DataSet to understand those relations? Tag: Sql2005 Express in Win2000 pro Tag: 132160
  - 9
    - First connection to the database (Oracle) from a .Net console application takes 6 sec Dear All, I am using Oracle Client 8.1.7.0.0. My .Net (c#) console application makes a connection to Oracle database and has following code Console.WriteLine(DateTime.Now.ToString()); OracleConnection NDPConnection = new OracleConnection("User ID=<Username>;Data Source=O801;Password=<Password>;"); NDPConnection.Open(); Console.WriteLine(DateTime.Now.ToString()); NDPConnection.Close(); It is observed that the Open method takes almost 6 sec the first time it is executed. Next all instances of the application opens the connection very fast. Next time again when the code is executed after restarting the machine, opening the connection takes almost 6 sec. Is there something to improve this? Have I missed something? Please help. Thanks & regards Sunil Tag: Sql2005 Express in Win2000 pro Tag: 132158
  - 10
    - subquery is not working for CSV files HI, this is my query, I am using C# , OleDB, ADO.NET and CSV files. SELECT [GATEWAY],[IPADD], SUM(MOBILE),SUM(NWD), TOTAL FROM [rawdata.csv] where CVDate([START]) >= '7/29/2006' AND CVDate([END]) <= '8/23/2006' AND [GATEWAY] IN (SELECT [GATEWAY] FROM [gateways.csv] WHERE [CLIENT]='MR. XXX') GROUP BY [GATEWAY],[IPADD] ORDER BY [GATEWAY] it returnes no rows. but I have done it in mysql with same data file and same query. it worked. why it's not working ? is there any problem in subquery syntax ? please give me a solve. Tag: Sql2005 Express in Win2000 pro Tag: 132156
  - 11
    - Avoid hardcoding DataKeyField property of DataGrid... Hi, How can I avoid hardcoding the name of the DataKeyField property of a DataGrid ? Like: datagrid.DataSource = someSource; datagrid.DataKeyField = "employeeId"; The above works but it's not what I want, because whenever the name of the field changes, I'm screwed. Avoiding this is the purpose of strongly-typed datasets (or using collections or whatever data layer abstraction mechanism you like) as I understand it, but I'd like to know what you n-tier gurus do in this case ? Thanks, - Jeff Tag: Sql2005 Express in Win2000 pro Tag: 132149
  - 12
    - Can not find SQL Server Management Studio Hello, today I installed the Microsoft SQL Server 2005 Standard Edition but after insatallation I can not find the SQL Server Management Studio (Enterprice manager) Need I to install it separately? Regards, Alfred M. Tag: Sql2005 Express in Win2000 pro Tag: 132139
  - 13
    - Problems with using ODP.NET provider Hello All I'm using this query Select Distinct(prj.Name) as PrjName, prj.oid as PrjOid From SITE61.PRJMGTProjectRoot prj, SITE61.CORERELATIONDEST ic, SITE61.PRJMGTDatabase pd Where prj.oid=ic.oidTarget And ic.oid=pd.oid And pd.oid= :plant_oid and getting a data-reader like this: Dim cmdSQL As New OracleCommand Dim conSQL As New OracleConnection Dim drSQL As OracleDataReader conSQL.ConnectionString = oRequest.ConnSetting conSQL.Open() cmdSQL.Connection = conSQL cmdSQL.CommandText = oRequest.Command cmdSQL.CommandType = oRequest.CommandType cmdSQL.BindByName = True AddParameters(cmdSQL, oRequest.Parameters) 'Add the prm with name plant_oid and 'a RAW value. So far so good 'I then get an exception when I try to do the ExecuteReader 'Invalid parameter binding 'Parameter name: plant_oid return cmdSQL.ExecuteReader(CommandBehavior.CloseConnection) Any ideas what might be wrong here ? thanks Sunit Tag: Sql2005 Express in Win2000 pro Tag: 132136
  - 14
    - Accessing Data Source of SSAS Project from within an SSAS Assembl Hi all, within an SQL Server Analysis Services project we are using an assembly to retrieve dimension permissions based on data stored in a adminstration database. Currently we store the connection string used to access in the administration database within the assembly: Dim locCon As New SqlConnection ... locCon.ConnectionString = "data source=eira; database=ServiceAdmin; Integrated Security=SSPI;" ... Obviously this is not a nice solution. As I understand it is not possible to access a application.config file from a DLL, because the DLL will use the config file belonging to the corresponding application. I wonder if it is not possible to access one of the data sources deployed with the cube from the assembly. somthing like: locCon.ConnectionString = "data source=cubedatasource" with cubedatasource beeing the name of the data source used in the cube Well, it doesn't seem to work that way. Any help is appreciated Thanks bjh Tag: Sql2005 Express in Win2000 pro Tag: 132127
  - 15
    - DataTable Edit Rows I've searched and tried a few of the things I seen but nothing really helped me. I am in visual studio 2003 and using visual c++. I created a table by typing in the data inside the IDE. Inside the load event for the form I added rows to the table ataRow *myRow; myRow = dataTable1->NewRow(); myRow->Item[COL_COMPONENTS] = S"X-Axis"; myRow->Item[COL_UNITS] = S"Inches"; dataTable1->Rows->Add(myRow); myRow = dataTable1->NewRow(); myRow->Item[COL_COMPONENTS] = S"Y-Axis"; myRow->Item[COL_UNITS] = S"Inches"; dataTable1->Rows->Add(myRow); Now I want to edit a row. Change a column that was previously set to a null value. What I have so far is myRow = dataTable1->Rows->Item[rowNum]; myRow->BeginEdit(); myRow->Item[COL_CURRPOS] = tmp; myRow->EndEdit(); dataTable1->AcceptChanges(); Where rowNum = a known index number of the row I want to change, and COL_CURPOS is the column I want to make changes to. tmp is the variable holding the value I want to post to that column of said row. I have tried without the begin/end edit and without the acceptchanges... nothing seems to result in the column on my table being changed? Tag: Sql2005 Express in Win2000 pro Tag: 132125
  - 16
    - Writing a Memo field to an Access DB with OleDB Hello, I have big problem on updating an Access Memo field with OleDb. While the InsertCommand works, then UpdateCommand raises an exception: Syntaxerror in UPDATE-Statement. I tryed various work arounds (the last 3 days) with and without the CommandBuilder with allways the same result. The last attempt was: Public Function WriteMemoToAccess(ByVal Pars As String) As Boolean 'Parameters is the ColumnName of the Access Memo field Dim AccessCommand As New OleDb.OleDbCommand("UPDATE DocH SET Parameters=? WHERE IdNum = 1") Dim QueryParameter As New OleDb.OleDbParameter("@Parameters", _ OleDb.OleDbType.LongVarWChar, Len(Pars), ParameterDirection.Input, True, _ Nothing, Nothing, Nothing, DataRowVersion.Current, Pars) AccessCommand.Parameters.Add(QueryParameter) AccessCommand.Connection = Me.Connection Me.Connection.Open() Try AccessCommand.ExecuteNonQuery() WriteMemoToAccess = True Catch ex As Exception End Try Me.Connection.Close() End Function Is there a way to do this?? Best regards Alfred Malleier (South Tyrol) Tag: Sql2005 Express in Win2000 pro Tag: 132118
  - 17
    - Why Must I Have "SET DATEFORMAT dmy" in Stored Proc? I'm calling a stored proc from C# and the call includes a datetime. The exe can run on machine A or B but the database is on machine C. When I run on machine A I need SET DATEFORMAT dmy in the proc or I get an 'out-of-range datetime value' message. I need to comment this statement out when the call is made from machine B. It seems as though I have a UK locale on machine A and a US locale on machine B and the swapping of days and months causes the error. Is this locale setting per machine possible? If so then how to change it? TIA, jeb. Tag: Sql2005 Express in Win2000 pro Tag: 132116
  - 18
    - saving datatable as new table in database i am creating a Datatable in memory and would like to save the DataTable as a new table in the database when i am done. How can I do this? thanks m Tag: Sql2005 Express in Win2000 pro Tag: 132112
  - 19
    - dataset safety? Hi, I am currently looking at re-writing a payroll/timesheet application that is currently in Access. The users need to enter timesheet hours for numerous employees. Up till now I have been experimenting and using strongly typed datasets as generated by VS. However as these provide a disconnected model, how can I prevent the loss of user data if the user PC crashes or dies for whatever reason. I imagine it would be inefficient to be performing writes to the database using datasets after every record is inserted. I like the binding and coding efficiency of using strongly typed datasets, however it would seem like there can be big overheads and risk in not updating to the database regularly. Can anyone recommend a better way? thanks Tag: Sql2005 Express in Win2000 pro Tag: 132107
  - 20
    - OCI.DLL: The specified module could not be found + OCIEnvCreate fa In VS2005 (Version 8.0.50727.42), I'm trying to create a "Data Connection" in the "Server Explorer" window ... I right click on "Data Connections" ... and choose "Add Connection" ... In that window, I change the "Data Source" to "Oracle Database" ... Then for "Server Name" I enter "newbisd.world", which corresponds to an entry in my TNSnames.ora file ... and I type in my Username and Password ... Then, when I hit either "OK" or "Test Connection", I get an error box titled "OCI.DLL" that says "The specified module could not be found" ... and after I click "OK" to that, another one comes up saying "OCIEnvCreate failed with return code -1 but error message text was not available." Where do I start? Thanks for any tips / pointers ... other info ... - I'm running Windows 2000 5.00.2195 (SP4) - I'm running Oracle 9.2 ... have upgraded to this - I can connect to the database with Oracle SQL*Plus ... and TOAD - I've read Paul Clement's reply to MikeB from 7/22/2005 and gave Authenticated User privelege to the ORACLE_HOME ... - According to my registry (when viewd by Regedit), in the HKEY_LOCAL_MACHINE folder + SOFTWARE folder + ORACLE folder, the variable ORACLE_HOME = C:\oracle\ora92 (... and I have a similar entry in a subfolder called HOME0) ... and in this folder's "bin" directory, I've got a file named "oci.dll" that's 112KB dated 05/01/2002 8:40pm Tag: Sql2005 Express in Win2000 pro Tag: 132103
  - 21
    - Oracle 10g Float and Double Database Datatypes are not supported Greetings, I have data values that are inherently of type Double. Current we are using Oracle Column Datatype NUMBER. When I create a TableAdapter in VS2005, the database table column information is read from Oracle and a new Table is created. However, the detected datatypes are always Decimal. Even if I change the datatype in the Database to a lower precision that would not exceed the precision of a Double, it is always detected as a Decimal. This forces me to cast everywhere, making the strongly-typed dataset, not as useful. Option 1: Now you might wonder, why not just change the datatype after the table is created. This does in fact work, but if you alter the Select statement later, the table is regenerated and since the datatypes no longer match what was found in the database, new columns are added with a "1" appended to the column name, which wrecks everything. So, I have to delete all the columns first, then make my SQL change, then go back and change all the datatypes back to what I need them to be. This sucks. Option 2: Use the new Oracle 10g BINARY_DOUBLE column datatype. This would be the preferred solution, but Microsoft apparently does not support it. Even though this may be perfectly matched with the precision of a System.Double. Option 3: Microsoft should detect the Precision and Scale of the NUMBER datatype in Oracle and use the appropriate .NET datatype instead of always using Decimal. I believe this is done is other MS products via ODBC, but not here... Question: Is there ANY numeric datatype I can use in Oracle that will be detected by the the MS Oracle Data Provider as a System.Double in the Strongly-Typed representation? I fear this answer is no. If it is, Microsoft should provide a hotfix to allow Option 2 or Option 3 to work. Without one of these solutions, maintenance will be a big pain. Other developers on my team, should be able to go into the Query Builder, check off a new column for the Select statement, and this should just add the new column, but this doesn't work. It makes a mess, and can go almost unnoticed until you build and a list of cast exceptions appears... Hence the big pain. -Valkyrie-MT Tag: Sql2005 Express in Win2000 pro Tag: 132102
  - 22
    - multi threaded database access with transactions I have a program that runs on multiple threads working with database sproc calls... these need to be all ran in transactions.... how can I get something similar to parallel transactions or at least to the point where they dont cause each other to crash? They all work with the same database connection...thanks! Tag: Sql2005 Express in Win2000 pro Tag: 132099
  - 23
    - MySQL database connection Hi, All This is the first time that I code asp.net against mySQL database. I am confused that which connector should I use 'cause I do not want make the wrong choice and have some problems later on? one is from mySQL official website http://www.mysql.com/products/connector/net/ or ODBC/OleDB driver come with MS .Net? Any experience can share with? Thanks a lot -rockdale Tag: Sql2005 Express in Win2000 pro Tag: 132093
  - 24
    - Global Cancel I want to create a single Cancel method to cancel all changes made to any fields in a UserControl. I have a method that creates a Binding object, adds it to a collection and than adds the Binding to the control. textBox1.DataBindings.Add(CreateDataBinding("Text", myobject, "Caption") ); public void Cancel() { foreach (Binding b in this.Bindings) b.BindingManagerBase.CancelCurrentEdit(); // This never changes the value back } Is there anyway to create something like I want? Thanks, Joe Tag: Sql2005 Express in Win2000 pro Tag: 132089
  - 25
    - Retrieving database schema Hi Everyone: Iâ??m new to the VB.NET development platform, and Iâ??m trying to understand how to retrieve database schema information from either of these databases: Microsoft Access, Microsoft SQL Server 2000, or Oracle. I recently bought a reference book titled â??Beginning VB.NET Databasesâ?? by Thearon Willis from WROX press. From this book I have found a way to dynamically connect to any database and check to see if the connection was successful. What I would like to do is once the connection to the database is established, show a list of the tables contained in the selected database. If the user needs to add data to a specific table he would select the table he needs to add the data too and the application would create a datasheet with the columns (Fields) of the database shown in the order they where created in the table. I would also like to label the primary key of the table and any foreign keys that table references. Iâ??m having difficulty in finding examples of these types of operations. Can anyone show me where to go to find this information. Thank you, -- Mark Tag: Sql2005 Express in Win2000 pro Tag: 132088
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  - 1
    - Count rows in dataset WHERE ... Hi, I am attempting to do a number of count functions on a single table of data for presentation in an ASP webpage. The functions are number today, number this week, number this month etc. As the Database table is large it does not make sense to query it directly a number of times. My idea is to create a dataset containing the table "ApplicationForms". I then want to query this and perform the various count functions. If I were querying the database the query would be: SELECT COUNT(DISTINCT fkiBatchNumber) AS 'YearCount' FROM tblApplicationForms WHERE (dtDateScanned < dtYear) dtToday is a datetime predefined in C# code. I have no idea how to query the dataset in an equivilent manner. Is this the most suitable method of acheiving my requirement? If so, any help in doing so is much appreciated. Thanks. Tag: Sql2005 Express in Win2000 pro Tag: 132081
  - 2
    - Oracle TransactionScope Rollback issue I am having problems re-openning closed Oracle connections (System.Data.OracleClient.OracleConnection) when using TransactionScope and using the Rollback feature (i.e. not calling Complete on TransactionScope). I create a simple for loop with a TransactionScope statement inside. All that happens inside the TransactionScope section is an open and close of an OracleConnection object, and no call to Complete on the TransactionScope object (Rollback). The second iteration or the loop will hang when calling Open on the OracleConnection object. If you include the Complete call on the TransactionScope, it will work fine. If you exclude TransactionScope, it will work fine. If you step through the code, it will work fine. If you put a System.Threading.Thread.Sleep(50) statement at the beginning of the loop, it will work fine. I thought it might be a disposing/garbage collection issue, so I tried putting GC.Collect at the start of the loop, but that didn't work. If I use Oracle's provider, it will work fine (Oracle.DataAccess.Client). If you leave the connection open when iterating through the loop, it appears to work fine. I have the 9.2.00.54 Oracle client installed. I have some sample code listed below. We would really like to use the System.Data.OracleClient as opposed to the Oracle.DataAccess.Client. So, any suggestions would be greatly appreciated. Thanks. using System; using System.Collections.Generic; using System.Text; using System.Transactions; using System.Data.OracleClient; //using Oracle.DataAccess.Client; using System.Data; namespace ConsoleApplication2 { class Program { const string DATASOURCE = "Data Source=test_db;User Id=sam;Password=sam;"; static OracleConnection cn; static int i; static void Main(string[] args) { cn = new OracleConnection(DATASOURCE); for (i = 0; i < 100; i++) { TransactionScopeTest(); //TransactionScopeCompleteTest(); //TransactionScopeTestWithSleep(); //ConnectionTest(); } Console.ReadLine(); } static void TransactionScopeTest() { using (TransactionScope ts = new TransactionScope()) { OpenClose(); } } static void TransactionScopeCompleteTest() { using (TransactionScope ts = new TransactionScope()) { OpenClose(); ts.Complete(); } } static void ConnectionTest() { OpenClose(); } static void TransactionScopeTestWithSleep() { using (TransactionScope ts = new TransactionScope()) { System.Threading.Thread.Sleep(50); OpenClose(); } } static void OpenClose() { if (cn.State != ConnectionState.Open) { Console.WriteLine("ConnectionState: " + cn.State.ToString() + "; openning " + i.ToString()); cn.Open(); Console.WriteLine("ConnectionState: " + cn.State.ToString() + "; openned " + i.ToString()); } if (cn.State != ConnectionState.Closed) { Console.WriteLine("ConnectionState is " + cn.State.ToString() + "; closing " + i.ToString()); cn.Close(); } Console.WriteLine("ConnectionState is " + cn.State.ToString() + " " + i.ToString()); } } } Tag: Sql2005 Express in Win2000 pro Tag: 132078
  - 3
    - dataset - Insert-query with stored procedure using wizard Hi all, I don't know where to publish this question but hope this newsgroup is okey. I'm working in Visual Studio 2005 and are now creating a dataset file where I will do all the transactions with the database. I have a consumer table where I want to insert, update and delete consumers. In the database I use uniqueidentifier on the primary key and said that it is a rowGuid - (newid()). When I try to generate a stored procedure to insert new consumers I have to insert without adding the primary key because it is automatically generated on a new insertion. However when using the wizard to generate the stored procedure the wizard fails when I remove the primary key. After the insert query the wizard created a select query with a where - clause like the primary key variable. (uidConsumerID = @uidConsumerID). Here I changed to SCOPE_IDENTITY( ) instead to get the databaserow from the current scope. But this fails. So what's wrong? What is the best way to make an insertion to a row using RowGuid on the primary key? Until further I will try to create the sp manually in the database and force dotnet to use my own stored procedure. In advance thanks a lot for your help! Kind regards, Jon Haakon Tag: Sql2005 Express in Win2000 pro Tag: 132069
  - 4
    - Newbie needs help Hi everyone, I'd like to access a database using C#. I've installed the Visual Studio 2003 and mysql essential and mysql administrator. On Visual Studio I go on server view and right click on SQL Servers, then I click on Register SQL Server Instance. It will prompt me to enter the instance name and login information but I'm getting this error - [DBNETLIB][ConnectionOpen(Connect()).]SQL Server does not exist or access denied. I'm sure that my username and password are correct. The only thing I'm not sure of is the instance name? Is the instance name the same as service name - such as MySQL in Services? Any help? Thanks, Clayton Tag: Sql2005 Express in Win2000 pro Tag: 132068
  - 5
    - Keyword similar to App(VB6.0) in VB.NET Hello all, Can anyone here suggest me the keyword App similar to that in VB.NET? Iam developing a application which uses MS-Access as the database. In vb6.0 I use App to find the path and connect to the database example: dbname = App.Path & "\XXXXXX.mdb" Could anyone here please suggest me a way similar to that of App I know how to connect to database. example dbname = "C:\Temp\xxxxx.mdb" con.Open("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & dbname & ";Persist Security Info=False") Thanks in advance Jack Tag: Sql2005 Express in Win2000 pro Tag: 132065
  - 6
    - OleDb vs. Sql Interoperability I'm building a lot of ASPX pages and business objects that consume and interact with database data. Some of this is done with data-binding, some is done with programmatic calls to Stored Procedures, Views, etc. I've created a DB class that I use to simplify and make consistent my inteaction with the database, and for all of the aspects of connecting to the database, building the call (query, Stored Procedure, Stored Procedure with Parameters, etc.) that works just fine. But here's my problem: Data that is returned comes back in objects like XXDataReader (OleDbDataReader or SqlDataReader). If I use one of these in my .aspx Pages, it means I've committed to using either OleDb for my database access of SqlClient for my database access. What if I don't want to have to decide? What if I want to set things up so that, if I want to switch from a SqlServer to some other database backend, I can just change my DB class, but not have to touch all of my pages and other objects? What's the most elegant and prefered way to do this? I know that I *could* just use OleDb for everything (including SqlServer), but that seems like such a shame in that I understand that the SqlClient access for SqlServer is supposed to be *way* more efficient. Alex Tag: Sql2005 Express in Win2000 pro Tag: 132054
  - 7
    - Strange error message I am inserting a new record into a table which has 4 columns, the first being an identity column. I am adding three strings to the other 3 columns using an ExecuteNonQuery. I have set the values of the parameters for the InsertCommand. The error I am getting is that the Input is not in the correct format for SqlCommand.ExecuteReader(CommandBehaviour cmdBehaviour, RunBehaviour runBehavious, Boolean returnStream) My SelectCommand insert the three values and returns all 4, including the Identity column. My command is: this.sqlInsertCommand1.CommandText = "INSERT INTO Customers(CustName, CustAddress, CustPhone) VALUES (@CustName, @CustAddress, @CustPhone); SELECT CustID, CustName, CustAddress, CustPhone FROM Customers WHERE (CustID = @@IDENTITY)"; The only parameter I had to create was the @CustID parameter and it is the same type and size as the CustID column in the table I created. Can anyone suggest why I am getting this error? Tag: Sql2005 Express in Win2000 pro Tag: 132053
  - 8
    - Insert Date into SQL c# - Correct Format Hallo guys, I am getting bonkers (sorry). i have sql2005express/c#. I have calender and i get the dates right DateTime DeployDate = Convert.ToDateTime(Calendar1.SelectedDate); i tried putting the deployed date as a string and having Calendar1.SelectedDate.Convert.ToString as well after this i have a insert string which is giving me all i need..... String getSYS4Table = "SELECT DISTINCT gdsSITE.SiteID, gdsSITE.SitePriority, gdsSITE.SiteGroup AS SITEGROUPS, gdsSITE.TimeID, gdsSITE.ZoneID, gdsSITE.Hours, gdsSITE.SystemID, gdsAssignedGuardSYS4.ForceNumber, gdsAssignedGuardSYS4.Nationality, gdsAssignedGuardSYS4.PriorityID, gdsAssignedGuardSYS4.FullName, gdsAssignedGuardSYS4.SiteGroup FROM gdsSITE INNER JOIN gdsAssignedGuardSYS4 ON gdsSITE.SiteGroup = gdsAssignedGuardSYS4.SiteGroup"; all is fine! thats right. mys string works though until the dates is 12. because in mys sql serever i can seach and get dates. WHERE DeployDate='19/08/2006' it refuses so i need to change the date to be yyyyMMdd but i have been looking and trying and failing on this part. i need to enter the DeployDate as yyyyMMdd only that. can someone help me before the doctors come and collect because iam going nuts. thanks in advance Tag: Sql2005 Express in Win2000 pro Tag: 132051
  - 9
    - Databinding a check list box Hi I have a check box list box on a windows form. How can I data bind it to an access table. I don't need a multi-tier solution. Just a solution. Thanks Regards Tag: Sql2005 Express in Win2000 pro Tag: 132045
  - 10
    - Need some help on forms Hey, YO...., I NEED SOME HELP HERE ! Actually, I got some info from a good guy called ScottT, but I need more. You see, I'm kind of stuck in here. I need to connect two forms. But the problem is... I don't know the codes. What I wanna do is click a button from the first form to go to the second form & then click a button from the second form to go to the third form & then etc etc. Also I wanna have a certain form which connected to all the other forms & can click a button from that certain form to go to all the other forms. That's all. Why can't anybody just help me ? I'm a newcomer to the field & I need help so ...so ...much. Tag: Sql2005 Express in Win2000 pro Tag: 132040
  - 11
    - StoredProc commits results in QueryAnalyzer but not in ADO.NET I'm hoping someone can help! I have a stored procedure in an MSDE database. When I use Query Analyser to run this stored procedure the correct results appear in the database. My stored procedure returns resultCode. The stored procedure includes a single BEGIN TRANSACTION [...] COMMIT TRANSACTION Within my application, I execute the follow code I recieve the correct result code but the information is NOT updated in teh database. I have tried with and without ADO transactions. public int CreateFrame(string BRKEY, string INSPKEY, string USERKEY) { //System.Data.OleDb.OleDbTransaction frameTransaction; int returnValue = 0; _command.Parameters["@brkey"].Value = BRKEY; _command.Parameters["@userkey"].Value = USERKEY; _command.Parameters["@inspkey"].Value = INSPKEY; try { if (_command.Connection.State == System.Data.ConnectionState.Closed) _command.Connection.Open(); } catch (Exception ex) { System.Diagnostics.Trace.WriteLine(ex.Message); returnValue=-99; } if (returnValue !=0) return(returnValue); //frameTransaction = _command.Connection.BeginTransaction(); //_command.Transaction = frameTransaction; try { _reader =_command.ExecuteReader(); _reader.Close(); returnValue = (int)_command.Parameters["@returnCode"].Value; //frameTransaction.Commit(); _command.Connection.Close(); _command.Dispose(); } catch (Exception exception) { //frameTransaction.Rollback(); System.Diagnostics.Trace.WriteLine(exception.Message); returnValue=-99; } finally { if (_command != null) _command.Dispose(); } return(returnValue); } my parameters and my command and connection objects are created in the initializer to my class My users begin testing in 2 days and I'd like to have this functionality working. HELP! 8-) Tag: Sql2005 Express in Win2000 pro Tag: 132039
  - 12
    - CSV header conating "." dot and after loading it into dataset its converting into "#" CSV header conating "." dot and after loading it into dataset its converting into "#" LIKE. First.Name First # Name waiting for your reply Tag: Sql2005 Express in Win2000 pro Tag: 132037
  - 13
    - How to know the first sheet name of an Excel I use the codes below to import the first sheet of an Excel file into a DataSet. But if the name of the first sheet is not "Sheet1", the SelectCommand will fail. How can I know the sheet name of the first Sheet in an Excel file? string sConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=" + savePath + "; Extended Properties=" + (char)34 + "Excel 8.0;IMEX=1;" + (char)34; string sSelect = "SELECT * FROM [Sheet1$]"; OleDbConnection objConn = new OleDbConnection(sConnectionString); objConn.Open(); OleDbCommand objCmdSelect = new OleDbCommand(sSelect, objConn); OleDbDataAdapter objAdapter1 = new OleDbDataAdapter(); objAdapter1.SelectCommand = objCmdSelect; objAdapter1.Fill(ds, "XLData"); objConn.Close(); Tag: Sql2005 Express in Win2000 pro Tag: 132034
  - 14
    - How to determinate if a string in the Field names of a dataTable? Hi, I have a dataTable with some fields. How can I determinate if a string in the Field names of a dataTable? Tag: Sql2005 Express in Win2000 pro Tag: 132032
  - 15
    - Using Oracle.ClientAccess.Data with System.Data.Common I am trying to return a datatable using the Oracle driver. In order to return a dataset from the stored proc I need a cursor type to receive the data. How is this possible with the Common namespace since it does not have a cursor or refcursor type? John Tag: Sql2005 Express in Win2000 pro Tag: 132029
  - 16
    - Trying to restore a .bak in C# Can I run a SQL command like: RESTORE DATABASE NewDB FROM DISK = 'ApplicationStartupPath\SQLSE2005\DevDB.bak' WITH RECOVERY, MOVE 'DevDB_Data' TO 'C:\\Program Files\\Microsoft SQL Server\\MSSQL.1\\MSSQL\\Data\\NewEB_Data.mdf', MOVE 'DevDB_Log' TO 'C:\\Program Files\\Microsoft SQL Server\\MSSQL.1\\MSSQL\\Data\\NewDB_Log.ldf' while connected to the master db installed by default in SQLSE 2005? If not how the heck do I run this command to restore this db for the client when they install the app? Tag: Sql2005 Express in Win2000 pro Tag: 132024
  - 17
    - SqlTypes Decimal Hi, I'm using .Net Framework 2.0. I Querying an Sql 2000 Database to fill a Dataset, the user dynamically choses what tables to query to fill the dataset. I need to provide information to the user about the tables, information such as the type and size of the columns. Though at start this seemed to be quite simple to do, I have now came to a problem when working with decimal columns. how can I get the number of digits that a decimal column suports? I have tried using sqlTypes when filling the table but not have been able to get this info. Can SomeBody Help me Please. Carlos Pedro Tag: Sql2005 Express in Win2000 pro Tag: 132022
  - 18
    - Stored Proc problem Hi, I am having stored proc which returns 2 resultsets, now i want to call this stored proc within another stored proc, but i want to use only the second resultset from the previous stored proc. So please tell me how can i do this.?? Thanks in advance, Regards, Manoj Singh. Tag: Sql2005 Express in Win2000 pro Tag: 132018
  - 19
    - SqlCommandBuilder - not setting my identity column I ran into a problem when I tried to use SqlCommandBuilder to generate my insert statement. The problem was the identity column wasn't being set when I called Update. It was set correctly in the database, it just wasn't updating my inserted DataRow. This caused issues when I went to add rows in other tables that keyed off the one I just inserted because I didn't have the primary key. Long story short... I searched high and low and was finally able to piece it together between what I found in these newsgroups and the MSDN documentation. I thought I'd share how simple it ended up being because I saw some crazy work-arounds in all my searching. There were two key things that I kept missing somehow. 1. calling RefeshSchema to clear the command builders handy work and then resetting the insert command with my mods to the originally generated one. 2. setting UpdatedRowSource to FirstReturnedRecord. It ended up being so simple... sheesh! The hours I spent searching. I hope someone else gets some value out of this. Rob // Set up _tblMain = new DataTable(TBL_PENDING_MAIN); _cmdBuilderMain = new SqlCommandBuilder( new SqlDataAdapter("SELECT * FROM " + TBL_PENDING_MAIN, _conn)); _cmdBuilderMain.DataAdapter.FillSchema(_tblMain, SchemaType.Mapped); // Later after adding a row to the table... // take care of the pesky bug in the command builder // (doesn't get the identity colomn) SqlCommand cmd = _cmdBuilderMain.GetInsertCommand(true); _cmdBuilderMain.RefreshSchema(); // Clears the generated commands cmd.CommandText += "; SELECT SCOPE_IDENTITY() AS PIF_ID;"; cmd.UpdatedRowSource = UpdateRowSource.FirstReturnedRecord; _cmdBuilderMain.DataAdapter.InsertCommand = cmd; _cmdBuilderMain.DataAdapter.Update(_tblMain); // now _tblMain.Rows[0]["PIF_ID"] is correctly set!! Tag: Sql2005 Express in Win2000 pro Tag: 132014
  - 20
    - database writing efficiency I need to log 400 values every second into an access database. Previously I did this in C++ using OLEDB and after a lot of experimentation, I minimized the peak CPU usage by writing out the data in a separate thread every 10ms. Now I have to do this in C# and I am uncertain as to the most efficient method (I am primarily concerned with CPU usage). My current methodology is below. One inefficiency I recognize but Iâ??m not sure how to fix is that Iâ??m storing the data in memory as well as the database but I only really need it in the database. Another specific question I have is which database adaptor is fastest with access and which update override is fastest (maybe rows is better than tables?) Thanks, Jeff { string strSQL; OleDbCommandBuilder cmdBuilder; DataSet dsIOChannelData; m_dbConnection = new OleDbConnection(strConnection); strSQL = "SELECT TimeStamp, ChannelID, Value FROM tblIOChannelData"; daIOChannelData = new OleDbDataAdapter(strSQL, m_dbConnection); cmdBuilder = new OleDbCommandBuilder(daIOChannelData); cmdBuilder.QuotePrefix = "["; cmdBuilder.QuoteSuffix = "]"; cmdBuilder.SetAllValues = true; dsIOChannelData = new DataSet(); m_dbConnection.Open(); daIOChannelData.Fill(dsIOChannelData, "tblIOChannelData"); dtIOChannelData = dsIOChannelData.Tables[0]; } public void LogIO() { long lStartTicks; long lElapsedTicks; double dInverseTicksPerMS; OleDbDataAdapter dbAdaptor; DataTable dtIOChannelData; loadIOLogDataTable(out dbAdaptor, out dtIOChannelData); dInverseTicksPerMS = 1.0 / TimeSpan.TicksPerMillisecond; m_bActiveLog = true; while (m_bActiveLog) { lStartTicks = DateTime.Now.Ticks; for (int i = 0; i != 400; ++i) dtIOChannelData.Rows.Add(DateTime.Now.ToOADate(), 77.5, 5); dbAdaptor.Update(dtIOChannelData); lElapsedTicks = DateTime.Now.Ticks - lStartTicks; Thread.Sleep(Math.Max(0, 1000 - (int)(lElapsedTicks * dInverseTicksPerMS + 0.5))); } m_dbConnection.Close(); } Tag: Sql2005 Express in Win2000 pro Tag: 132010
  - 21
    - Datatable size in memory Does anyone know of a way to estimate how much memory a datatable is using? Are they any user-friendly tools that I can find this info out? Thanks Tag: Sql2005 Express in Win2000 pro Tag: 132004
  - 22
    - ADO.NET 2.0 - Simple question for you... I have an ASP.NET 2.0 website. I want to write a function in ADO.NET 2.0 (VB.NET) that does the following: 1. Opens up a connection to my SqlExpress db. (The connectionstring is in the <connectionStrings> section of my web.config) 2. Runs a query, storing results in a datatable. 3. Closes connection Can anyone assist? Thanks! Tag: Sql2005 Express in Win2000 pro Tag: 132002
  - 23
    - MS Access modules Hullo all: Is there a nifty way to retrieve a list of the macros / code modules in an MS Access database using ADO.NET, a la OleDB.OleDBConnection.GetOleDbSchemaTable for retrieving tables and views? Thanks much, zdrakec Tag: Sql2005 Express in Win2000 pro Tag: 132001
  - 24
    - Simple SQL INSERT I have a SQL INSERT statement. I'm pretty well-versed in SQL but NOT in VB.NET / ASP.NET. I would like to know what VB code is for inserting a new row into a database. I have a SQL Table established already. I would like to know the code required to insert a new row to that SQL Table. I don't have any connection strings established yet, I don't have anything. Can you please take pity on a poor .NET Newb and tell me what I should be doing? I've tried several examples and have yet to successfully insert a record. I think I need to know how to establish the connection, and then write (insert) a new record to that connection. Thanks in advance. This stuff can be very overwhelming. Tag: Sql2005 Express in Win2000 pro Tag: 131988
  - 25
    - Simple SQL INSERT I have a SQL INSERT statement. I'm pretty well-versed in SQL but NOT in VB.NET / ASP.NET. I would like to know what VB code is for inserting a new row into a database. I have a SQL Table established already. I would like to know the code required to insert a new row to that SQL Table. I don't have any connection strings established yet, I don't have anything. Can you please take pity on a poor .NET Newb and tell me what I should be doing? I've tried several examples and have yet to successfully insert a record. I think I need to know how to establish the connection, and then write (insert) a new record to that connection. Thanks in advance. This stuff can be very overwhelming. Tag: Sql2005 Express in Win2000 pro Tag: 131987

Hi,
When I install Sql2005 Express in Win2000 pro, it failed with :
This system did not have the correct version of MDAC installed.

Which version is needed for Sql2005 Express when installed in Windows 2000
professional?

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Re: Sql2005 Express in Win2000 pro by Paul

Paul
Thu Aug 24 08:53:14 CDT 2006

On Thu, 24 Aug 2006 13:27:19 +0800, "ad" <flying@wfes.tcc.edu.tw> wrote:

¤ Hi,
¤ When I install Sql2005 Express in Win2000 pro, it failed with :
¤ This system did not have the correct version of MDAC installed.
¤
¤ Which version is needed for Sql2005 Express when installed in Windows 2000
¤ professional?

MDAC 2.8 SP1 or later.

http://www.microsoft.com/downloads/details.aspx?FamilyID=78cac895-efc2-4f8e-a9e0-3a1afbd5922e&DisplayLang=en

Paul
~~~~
Microsoft MVP (Visual Basic)

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