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- Previous
  - 1
    - How to make the app context call Dispose automatically? ASP.NET calls the Dispose() method in the Page class automatically at the end of the page processing. Is there a way to do something similar in my own application, say a middleware component? Tag: Component Tray Tag: 67282
  - 2
    - Windows service and http request My windows service downloads a file using an http web request as part of its startup routine. This is fine when the service is started manually, but when the computer boots (the service is set to start automatically), there's some sort of condition that prevents the download. I'm thinking this is a service dependency, but which service provides web connectivity? DNS client? Tag: Component Tray Tag: 67278
  - 3
    - calling asp from aspx and vice versa Can applications from visual studio 6 and vs.net can coexist in the same web server without any problem. Any issues, any document will be a great help. Tag: Component Tray Tag: 67275
  - 4
    - An object for Set I'm looking for some object built into the .Net framework that implements the concept of sets. The required principle characteristics are that the elements are unordered and that duplicates are not allowed. It would be nice if it could be contrained on some given type, but that type could be as generic as object. Is there such a thing? Thanks, Chris Tag: Component Tray Tag: 67272
  - 5
    - Run VS assembly using VSA Hi, I would like to compile a dll in Visual Studio and have it run using the VSA runtime wrapper class. I've tried to load an assembly using VSA runtime engine but I get an exception stating that the _Startup class cannot be found. I've examined a working VSA assembly which contains (amongst others) a class called _Startup. Also the project file (.vsaproj) for the assembly isn't a compatible Visual Studio project file. Can this be done or is it better to pursue a solution based upon loading late bound assemblies at runtime and executing them? Thanks Peter Tag: Component Tray Tag: 67271
  - 6
    - Detect encoding of a text file Folks, I have a number of text files in a directory, and I'd like to know what type of encoding they're in. I thought I could just open a StreamReader for each file one at a time, and let .NET determine the encoding (Default, UTF-8, Unicode) - there's a nice constructor for StreamReader which takes a file name, and a boolean "detectEncodingFromByteOrderMarks" which I figured would do exactly what I want - open the file and see if it's a Default (ISO-8859-1), UTF-8 or Unicode (UTF-16) file. Here's my function: public string DetermineFileType(string aFileName) { string sEncoding = string.Empty; StreamReader oSR = new StreamReader(aFileName, true); sEncoding = oSR.CurrentEncoding.EncodingName; return sEncoding; } But that doesn't seem to work - in this case, *all* files are being labelled as "UTF-8", which I *KNOW* is *NOT* true.... Is there any easy way in C# to let it determine the file's encoding reliably? Do I really need to "manually" look at the first three bytes of each file? Any ideas?? Marc ================================================================ Marc Scheuner May The Source Be With You! Bern, Switzerland m.scheuner(at)inova.ch Tag: Component Tray Tag: 67270
  - 7
    - intelisense I want to try to use a system like "Intelisense" in my apps. Juste like VS Anyone have ever try do to this ? Tag: Component Tray Tag: 67262
  - 8
    - ValueChanged event NOT being fired when setting NumericUpDown.Value property Hi, I am setting the NumericUpDown .Value property and the ValueChanged event is NOT being fired. Does this ONLY get fired when I change it on the UI and not programatically? Thanks Tag: Component Tray Tag: 67242
  - 9
    - was ist ein Framework? gibt es eine Definition des Begriffes Framework? WAs gehört alles zu einem Framework? ist das von standard zu standard verschieden? gruss Tag: Component Tray Tag: 67240
  - 10
    - ComboBox Hi, Why does all the other controls have FlatStyle of Flat and the ComboBox does not? If I configure a form to have all Flat, the ComboBox stands out like a pink cow in a dairy. Why the inconsistency? Somebody forget something or was it BY DESIGN to have inconsistencies? Tag: Component Tray Tag: 67239
  - 11
    - Unit testing. can we do unit testing like checking the functionality of button in Mic-ACT? Please provide me the solution. I need urgent help. Liza Tag: Component Tray Tag: 67236
  - 12
    - VC and WAB integration. I have one more query but this time it is related with Windows Address Book(WAB). Suppose I open a link to WAB through my application's (developed in VC++) dialog box. Now, if I get the focus back on my dialog box with the WAB still opened(not in focus though), I cannot navigate through the controls in my dialog box through the TAB key. Also, ENTER key does not work. But the dialog box starts responding to the TAB and ENTER keys as soon as WAB is closed. Why is it happening like this. I had downloaded a sample WAB program from www.microsoft.com and this program too had the same problem. I want to know if it is a bug or a normal behavior in VC++ and WAB integration. Is there any workaround to this problem. I had put up this query long back to mssupport@grapecity.com but did not get any response. Hope I wont be disappointed this time. Thanks and regards, AA Tag: Component Tray Tag: 67235
  - 13
    - command line compile asp c# project hello I have a asp.net project that uses c# as the code behind lang. I would like to add a few features but my current computer does not have the Visual studio IDE - just the SDK for simple forms i was able to add the src attrib and get the classes to compile but when I use a class in the same namespace my code behind forms ( a data base class - that connects to the Db and has other Db access util methods) - the on demand compile fails with the msg: Compilation Error Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately. Compiler Error Message: CS0246: The type or namespace name 'DatabaseOps' could not be found (are you missing a using directive or an assembly reference?) Source Error: Line 36: else Line 37: { Line 38: DatabaseOps dbOp; Line 39: dbOp = new DatabaseOps (); Line 40: Boolean validatedB = false; *** Any help on how to buildweb app dll from the command line would be appreciated. I tried using csc on each of the .cs files and finally al.exe with the commands csc /t:module DatabaseOps.cs csc /addmodule:DatabaseOps.netmodule /t:module login.aspx.cs csc /addmodule:DatabaseOps.netmodule /t:module Expoinvoice.aspx.cs csc /addmodule:DatabaseOps.netmodule /t:module ExpoinvoiceDetail.aspx.cs csc /addmodule:DatabaseOps.netmodule /t:module Global.asax.cs csc /addmodule:DatabaseOps.netmodule /t:module logout.aspx.cs csc /addmodule:DatabaseOps.netmodule /t:module ReportChooser.aspx.cs csc /addmodule:DatabaseOps.netmodule /t:module AssemblyInfo.cs al DatabaseOps.netmodule login.aspx.netmodule Expoinvoice.aspx.netmodule Global.asax.netmodule logout.aspx.netmodule ReportChooser.aspx.netmodule AssemblyInfo.netmodule /target:LIBRARY /out:a.dll I guess I need to compile something else too - cause the dll I got was much smaller than the one the IDE had made on the other computer. ( was 34kb but the command line one i made is just 5kb ! ) Regards Tushar Tag: Component Tray Tag: 67234
  - 14
    - cl.exe missing in my .net framework utility dir Hallo, I've installed the .net Framework SDK, and when looking in the directory (Framework\v1.1.4322), I can't find the C+ compiler cl.exe Was it suppoed to be there, or I should download some extension? Or maybe it is not available free? Thanks, -- Pavils Tag: Component Tray Tag: 67233
  - 15
    - Cast Error Hi I copied my .NET Application from a W2K SP4, SQL2000 to a W2K3, SQL2000 Server. When i try to run the application, i get the following error: ------------------------------------------------------------------------- Server Error in '/ApplicationName' Application. Specified cast is not valid Description: An unhandled exception occured during of the current web request. Please review the stack for more ..... Exception Details: System.InvalidCastException: Specified cast is not valid. ------------------------------------------------------------------------- On the old Server everything works fine. Any idea? Thanks a lot Chris Tag: Component Tray Tag: 67232
  - 16
    - Excel/Outlook interop Hi, All! I'm working on a C# windows service project in witch I'm using MS Excel and MS Outlook automation objects referenced through Microsoft Excel 10.0 Object Library and Microsoft Outlook 10.0 Object Library. On my local computer, calling methods and accessing properties on these automation objects works smoothly. However, when I try running the service, having deployed it on the production server, the execution halts on the first attempt to invoke a method or access a property on one of the automation objects. Strange thing is that no exception is thrown, the service just halts and doesn't seem to get any further in execution. Consider the following code snippet: //-> Excel.Application xlApp; Excel._Workbook xlWbk; Excel.Worksheet xlWst; xlApp = new Excel.Application(); // <-- The call to the Excel.Application constructor returns OK. // However, neither of the following lines of code are ever executed. // The execution of the service just halts, waiting for control to be // returned from the automation object. --> xlApp.AlertBeforeOverwriting = false; xlWbk = xlApp.Workbooks.Add(Excel.XlWBATemplate.xlWBATWorksheet); //<- Just for the record, I've copied the versions of Interop.Excel.dll, Interop.Outlook.dll, Interop.VBIDE.dll from the the project directory on my local computer, onto the production server, in the same directory as my Windows Service executable. Any of you guys having an idea of what's causing this problem? Tag: Component Tray Tag: 67230
  - 17
    - DESCryptoProvider Hi, How can I use the DES Crypto Provider to take in a string and encrypt that with a key then return an encrypted string and vica versa? All the examples I have seen are based on files and streams. Thanks. Tag: Component Tray Tag: 67226
  - 18
    - A bug in SqlDataReader.GetSchemaTable() ? Hi, I'm using the SqlServer managed provider from the framework (SqlClient) to communicate with SqlServer. I have the following table in the database: create table t1(f1 int) I already have an instance of SqlCommand (slqCommand) setup with the correct connectionstring and have the following peace of code: -------------------------- sqlCommand.CommandText = "select * from t1"; SqlDataReader reader = sqlCommand.ExecuteReader( CommandBehavior.KeyInfo ); DataRow[] infoRows = reader.GetSchemaTable().Select(); reader.Close(); Console.Write("\n" + infoRows[0].IsNull("NumericScale")); Console.Write("\n" + infoRows[0]["NumericScale"]); --------------------------- It gives me the output : False 255 But the documentation says: --------------------------- NumericScale: If ProviderType is is DBTYPE_DECIMAL or DBTYPE_NUMERIC, the number of digits to the right of the decimal point. Otherwise, this is a null value. --------------------------- - so i figure that this must be a bug (?), or what am I doing wrong? By the way same thing happens when "f1" is of type e.g. "text". Morten Overgaard Hansen Tag: Component Tray Tag: 67225
  - 19
    - Is there a bug with PerformanceCounterCategory ? Hello, My configuration: Windows XP. .NET Framework 1.0 Visual Studio .NET 2002 .NET Security enabled for full code access on local machine. I'm logged as local machine administrator. I created a custom performance counters category named "CAT". The symptoms: Under some circumstances which I have not determined yet, the following code fails : --------------------------------8<-------------------------- string cat_name="CAT"; if(PerformanceCounterCategory.Exists(cat_name)) { // Code enters here OK. PerformanceCounterCategory perf_cnt_cat=new PerformanceCounterCategory(cat_name); // The following code throws System.InvalidOperationException // with description : "The category doesn't exist". string[] inst_names=perf_cnt_cat.GetInstanceNames(); --------------------------------8<-------------------------- Can somebody help ? Thanks ! Tag: Component Tray Tag: 67224
  - 20
    - AppDomain.ProcessExit event not fired in Internet Explorer Hello, My configuration : Windows XP Internet Explorer 6 .NET Framework 1.0 Visual Studio .NET 2002 The symptoms: I have created a class which registers a handler for the AppDomain.ProcessExit event (say this is done in a static method Class.Init()). Case 1: Class hosted in a Windows Application : The handler is called when I close the Windows Application. Case 2: Class hosted in Internet Explorer : The handler is not called when I close Internet Explorer !! (I obviously checked that Class.Init() had been called). Can someone help me ?? Thanks ! Tag: Component Tray Tag: 67221
  - 21
    - Compatibility FX11 vs FX10 - Combobox Management - VB.Net Hello I encounter a problem migrating for fx10 to fx11. the compact framework 1.1 has a different behavior from th previous framework 1.0 when working with combobox I give hereafter the code used with FX10 and FX11, it works under FX10 and not in FX11. I tried to found a solution but currently I solve the problem in simple program, but in a complex application with multiple screens the behavior of the combobox is variable. I've build the program using the VB.net help, the behavior with FX11 is not documented Do i do something was wrong Has Someone is solution ? Because It brings me sleepsless nigths !!! Thanks for collaboratio JP Code used in FX1 Private Sub combobox_FX10( 'Create Datatable with standard VB Sampl dt = DemonstrateDataTable( dt.TableName = "Usine 'Create Datavie dv = New DataView(dt dv.Sort = "ProductID 'Create Datase ds = New DataSet("Produits" ds.Tables.Add(dt 'Standard code given in the VB.Net documentatio cbDV.BeginUpdate( cbDV.Sorted = Tru 'cbDV.SelectedIndex = - 'Load the DataView in the combobox datasource - WITHOUT BINDING cbDV.DataSource = d cbDV.DisplayMember = "ProductName cbDV.ValueMember = "ProductID cbDV.EndUpdate( 'Trac 'It Works Debug.WriteLine("cbDV Count : " & cbDV.Items.Count 'Working with Framework 1.0, It doesn't Works with Compact Framework 1. end su Code used with FX1 Private Sub combobox( 'Create Datatable with standard VB Sampl dt = DemonstrateDataTable( dt.TableName = "Usine 'Create Datavie dv = New DataView(dt dv.Sort = "ProductID 'Create Datase ds = New DataSet("Produits" ds.Tables.Add(dt 'Bind TextBo txtUsine.DataBindings.Clear( ' Binds a TextBox control to a column in the DataSet txtUsine.DataBindings.Add("Text", ds, "Usine.ProductName" 'Bind First Combobox with D cbDS.DataBindings.Clear( cbDS.Sorted = Tru cbDS.SelectedIndex = - ' Bind a Combobox control to a column in the DataSet cbDS.DataBindings.Add("DisplayMember", ds, "Usine.ProductName" cbDS.DataSource = ds.Tables("Usine" cbDS.DisplayMember = "ProductName cbDS.ValueMember = "ProductID 'Standard code given in the VB.Net documentation working with FX1 cbDV.BeginUpdate( cbDV.Sorted = Tru 'cbDV.SelectedIndex = - 'Load the DataView in the combobox datasource - WITHOUT BINDING cbDV.DataSource = d cbDV.DisplayMember = "ProductName cbDV.ValueMember = "ProductID cbDV.EndUpdate( 'Trac 'It Works with FX11 and binding !! Debug.WriteLine("cbDS Count : " & cbDS.Items.Count 'Working with Framework 1.0, It doesn't Works with Compact Framework 1. Debug.WriteLine("cbDV Count : " & cbDV.Items.Count end su Private Function DemonstrateDataTable() As DataTabl Dim myTable As DataTabl myTable = New DataTabl ' add column Dim column As DataColum column = myTable.Columns.Add("ProductID", GetType(Integer) column.AutoIncrement = Tru column = myTable.Columns.Add("ProductName", GetType(String) ' populate DataTable Dim id As Intege For id = 1 To myTable.Rows.Add( New Object() {id, String.Format("product{0}", id)} Next i Dim dv As DataVie dv = New DataView(myTable Return myTabl End Function Tag: Component Tray Tag: 67220
  - 22
    - Style Cop tool Hi Has anyone used the style cop tool for defining coding style in .NET. Please let me know where I can find details regarding the tool. Is it a free tool. Thanks, Prachi Tag: Component Tray Tag: 67214
  - 23
    - Solved: Microsoft Help: IEExe.exe and STA Hi. Thanks for all suggestions. I have finally solved the problem. The System.Windows.Forms.Timer fails because of the UI-operations it executes in my program. So the program crashes when it is being closed. The solution was to replace the System.Windows.Forms.Timer with an implementation of SetTimer and KillTimer. Now it works fine. ... int monitorTimer = SetTimer(this.Handle, 9999, 1000, 0); ... /--- Set timer [System.Runtime.InteropServices.DllImport("user32.dll")] extern static int SetTimer(System.IntPtr hWnd,System.UInt32 iEvent,System.UInt32 iElapse, int iCallbackMustBeZero); //--- Kill timer [System.Runtime.InteropServices.DllImport("user32.dll")] extern static int KillTimer(System.IntPtr hWnd,int iEvent); //--- Timer static static int WM_TIMER = 0x0113; protected override void WndProc(ref Message m) { //--- Check if it is a timer process if (m.Msg == WM_TIMER) { ) base.WndProc(ref m); } br/ peter Tag: Component Tray Tag: 67213
  - 24
    - Is there any resource Windows hooking and subcalssing in Dotnet? Dears, I apologize in advance if this is the wrong place to post, sorry for the inconvenience. Is there any book or web site or any kind of resource is available for Windows hooking and subcalssing in C# / VB.Net (in general .Net)? OR, is there any link in Microsoft sites / MSDN ? OR is there any sample programs? (in any dotnet supported language) If any one give some idea its greatly appreciated. Raja Tag: Component Tray Tag: 67211
  - 25
    - New C# and VB.Net Training Videos. We have placed new training videos on our website: www.vtmag.com Please take a look and donate to our site to help cover our expenses. Please also provide feedback to let us know how we are doing. Thanks, Wade Beasley Visual Training Magazine http://www.vtmag.com Tag: Component Tray Tag: 67207
- Next
  - 1
    - framework 1.0 vs. 1.1 Can a framework 1.0 app run against the 1.1 framework without hassle? thanks, -c Tag: Component Tray Tag: 67197
  - 2
    - command line compile to a different framework version Hi, I have the professional version of VS.NET 2003. I know only the enterprise version will allow compiling to a diff version of the framework, but I thought maybe there was a command-line feature in the professional version that might allow me to do the same thing. Does anyone know? Thanks, -c Tag: Component Tray Tag: 67196
  - 3
    - Converting UTF8 -> ASCII I'm trying to convert a UTF8 string to an ASCII string, but the code I've tried isn't working. <code> private static string Utf8ToAscii(string value) { byte[] utf8Bytes = Encoding.UTF8.GetBytes(value); byte[] asciiBytes = Encoding.Convert(Encoding.UTF8, Encoding.ASCII, utf8Bytes); return Encoding.ASCII.GetString(asciiBytes); } </code> Am I doing something wrong? TIA Tag: Component Tray Tag: 67191
  - 4
    - Account mismatch problem when deploy When I try to use the setup project in VS for deployment, I got mySetup.msi and run it. The error message popup like this: "The account name is invalid or does not exist, or the password is invalid for the account name specified" Regardless if I select "For everyone" or "For myself". What is the problem? Tag: Component Tray Tag: 67189
  - 5
    - silent assertion of assembly existance on client machine Hey I need to assert from within a web page that an assembly was previously installed (and registered) on its hosting machine. I want to attempt to create an instance of that assembly inside a java or vb script method and decide according to the results whether it had been installed. The following line of code works in javascript but generates a warning massage I want to avoid (regarding activeX involvement in the page...) : var myObj = new ActiveXObject("myRegAsem.regAsemTest"); Is there a silent method I can use instead?? TIA Rea Tag: Component Tray Tag: 67188
  - 6
    - Network User Group Hi! I want to know if there is a function to retrieve the Groups that the user belongs to the Windows Network. I know with the systeminformation.username I can retreive the username but I would like to see in which groups they belongs to. (We don't have AD but its a Windows 2000 server) Thanks Joel :) Tag: Component Tray Tag: 67184
  - 7
    - Need info on how to debug customer systems. My development team develops .NET custom software for resell. If we receive a report of an application in the field that has a bug, we would like to be able to remotely connect to the live system (with proper user authorization) to be able to debug the application remotely (preferably with process attach). Currently the only way we can determine how to do this is to use the remove debug components in VS.NET. Is this the only way to do remote debugging? We are not sure if these components are redistributable. I have also looked into the CLR debugger, but once again we are not sure if the .NET SDK is redistributable. -- ----------------------------------- Ken Varn Senior Software Engineer Diebold Inc. EmailID = varnk Domain = Diebold.com ----------------------------------- Tag: Component Tray Tag: 67182
  - 8
    - ADSVALUE type is not yet implemented I get the following 'ADSVALUE type is not yet implemented' when trying to access custom fields in LDAP. It there a way to retrieve that information in the custom fields using the System.DirectoryServices? Tag: Component Tray Tag: 67179
  - 9
    - Classic asp function Hello all, I am just getting started with .net development and have been playing with various sample apps. I am currently trying to replicate a function that I have used in my classic asp apps that gets a user's ntlogin. I normally store it in include file and then run it before the page loads. Seems simple enough but I can't figure out how to get it to work with asp.net. For instance, where do I store the function & how do I call it? I realize that I will probably get responses sending me to Microsoft's site and believe me I have been there. What would be helpful is if anyone knows of a high-level reference comparing the differences between classic asp and asp.net. Thanks! include file code: <script language=jscript runat=server> function getNTLogin() { if (Request.ServerVariables("logon_user")=="") { Response.Status = "401 Auth requested"; Response.End(); } else { fullLogin = Request.ServerVariables("logon_user") + ""; tmpArray = fullLogin.split("\\"); ntLogin = tmpArray[1]; ntLogin.toLowerCase(); } return ntLogin; } </script> ============================ then my asp page: <%@ Language=JScript %>  <% ntlogin = getNTLogin(); %> <html> blah blah display login here: <%=ntlogin%> Tag: Component Tray Tag: 67178
  - 10
    - Assembly search paths... Hello, If I have a DLL with a full path 'c:\test.dll' and it's dependencies in 'c:\dep' how can I ensure that 'c:\dep' is searched when attempting to load 'c:\test.dll'? Cheers. Tag: Component Tray Tag: 67172
  - 11
    - Framework via SMS? This has or is probably covered somewhere else (if so, tell me where); but can one auto-install the .NET framework 1.0 via SMS? In other words, is there a way to package up the .NET framework so we can send it out via SMS (and it installs on the users workstation without asking any questions)? Thanks. Tom Tag: Component Tray Tag: 67168
  - 12
    - XSLT Transform Problem I try to transform xml that has default namespac For example <Root xmlns="http://BlaBla.Com"><SomeContent></SomeContent></Root Then if I use the following xslt Iâ??m getting no results because it expecting the namespace <xsl:template match="/"><xsl:value-of select="// SomeContent" /></xsl:template How can I make the xslt transfor Run under the default namespac TN Tag: Component Tray Tag: 67166
  - 13
    - TimeSpan Object I need to determine if a file's last write time is greater than 15 minutes. Is there a simple way to do this with the TimeSpan object? Thanks! *** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded for it! Tag: Component Tray Tag: 67163
  - 14
    - Getting current number of connections in connection pool Is there a way to get current number of SQL connections in connection pool? I want use it for monitoring purpose. My connection pool randomizely maxed out and it is affecting production. Tag: Component Tray Tag: 67160
  - 15
    - Getting control of program exits Is there a way to get control when a program exits? I am working with a large multi-threaded .NET Basic application which is "randomly" shutting down. Ideally, I would like to write some sort of log file when it exits giving as much as possible information about the reason for the exit. Tag: Component Tray Tag: 67156
  - 16
    - Help me!! Hi all The Problem which i am facing with CrystalReport 8.0 is, this reports are connected to the server thru ODBC. and whenever if i am changing the ODBC Name and Server name . Next time if i spool the report after changing the ODBC Name crystal report prompting the user to enter the user name and password to connect the server. And the next problem is while spooling the report in crystal report , if the user is terminating the report before completion. next time if the user spool any report the crystal report shows "Page Server Error " I need a solution to avoid the above problem. The crystal report should automatically detect the ODBC and connect to the server. with out prompting. I do not know which group to post it to. Please forgive my ignorance and provide me with a solution. Regards, Shelly Tag: Component Tray Tag: 67152
  - 17
    - Good tutorial on asynchronous programming in .net Does anyone know a good tutorial on asynchronous programming in .net AsyncCallback And IASyncResult are driving me crazy. And the msdn documentation is not really helpful on this topic I appreciate any recommendation. Tag: Component Tray Tag: 67151
  - 18
    - .NET code security: FullTrust vs. Everything I have made a strong named code group for our application and granted it "FullTrust". The application can now be startet from a server mounted drive When, however, I grant "Everything" the application throws a security exception When I define a set of permissions including all predefined permission sets (all configured as "Unrestricted") the same thing happens: a Security exception is thrown Can anybody tell me why it is not possible to build a full trust code group out of single permissions?? What does FullTrust have that cannot be added to Everything?? Tanx for your help Hans Tag: Component Tray Tag: 67148
  - 19
    - Event order I'm having a problem with the order in which events are raised.. I have a form that contains a treeview and a textbox. When I click on the treeview control from the textbox, the textbox's Validate event isn't fired until after the treeview's AfterSelect is fired. This seems like a bug to me. Does anyone know a way to control the order of events? I want the TextBox's Validate event to fire first, then only if it passes should the next event (Treeview's AfterSelect) fire Thanks. Tag: Component Tray Tag: 67147
  - 20
    - table schema Hello, all! I would like to know if is possible to retrieve the datatable structure correctly, like an ADO recordset. The needed information is: - column size - db data type in ADO, is possible to retrieve that doing a loop in fields collection. I have tryied, in .NET, the datacolumn collection, but size always coming -1 and data type is a .framework datatypes (db datetime come like "system.runtimetype"). There are a good manner do it? []'s Cesar Tag: Component Tray Tag: 67139
  - 21
    - clipboard class I want to know how to use the clipboard class. The class take dataobjects. Does that mean that U cannot add controls to the clipboard. I am designing a Form Designer and I want to implement cut,copy and paste for that I need to use the clipboard. But it throws me exception when I try to add any control to clipboard through setdataobject. Please help me with this Thanks for ur help Tag: Component Tray Tag: 67138
  - 22
    - Object Reference Not Set to An Instance of an Object Since upgrading to .Net 1.1 we've noticed that the error messages that occasionally occur in our ASP.NET application are much less helpful than they were when we were using .NET 1.0. I would say 9 out of 10 errors just say "Object reference not set to an instance of an object" and the other detail given along with that error message is equally unhelpful. This error seems to us to be the new "An Unexpected Error Occured" error message and is really unhelpful when trying to debug the problem with the code. Is there any way of increasing the level of detail that is given when an error message occurs? Is there perhaps some setting in .Net 1.1 that turns on or off error message detail? Thanks, Mark Tag: Component Tray Tag: 67137
  - 23
    - MD5 Hash Size How mant bits long is an MD5 hash? I'm sure I read that it was 128 bits, but can it vary Thank John Tag: Component Tray Tag: 67136
  - 24
    - How can I set the TreeView.Indent = 0? How can I set the TreeView.Indent = 0? it can't be set to zero. e.g ParentImage ChildImage1 ChildImage2 I want to my parent and child node on the same indent level. Is there any possibility that parent and child node are at the same indent level in TreeView control? I want my Treeview control as microsoft folder bar. Is there any other way plz let me know its very urgent. Thanks --- Posted using Wimdows.net Newsgroups - http://www.wimdows.net/newsgroups/ Tag: Component Tray Tag: 67135
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    - Problem with WMI Hello, The application I'm writting, has to ask some informations on Windows 98 computers. So I installed "Windows Management Instrumentation (WMI) CORE 1.5 (Windows 95/98/NT 4.0)" from Microsoft ont the target computer and I use System.Managment namespace in my program. But when I excute my code (which works if I ask informations on a Windows 2000 computer), I have a System.Runtime.InteropServices.COMException in mscorlib.dll. Additional informations : The RPC Server is not available. I don't understand why the Windows 98 computer can't reply because I think that I installed the correct program that install WMI on Windows 98. Maybe I forgot something on the Windows 98 computer. Could someone help me ? Best regards, FranÃ§ois Dehaibe. ps : here is an example of my code : ConnectionOptions co = new ConnectionOptions(); co.Username = ""; co.Password = ""; System.Management.ManagementScope ms = new System.Management.ManagementScope("\\\\192.168.0.160\\root\\cimv2", co); //Query remote computer across the connection System.Management.ObjectQuery oq = new System.Management.ObjectQuery("SELECT * FROM Win32_OperatingSystem"); ManagementObjectSearcher query1 = new ManagementObjectSearcher(ms,oq); ManagementObjectCollection queryCollection1 = query1.Get(); foreach( ManagementObject mo in queryCollection1 ) { Console.WriteLine("Name : " + mo["name"].ToString()); Console.WriteLine("Version : " + mo["version"].ToString()); Console.WriteLine("Manufacturer : " + mo["Manufacturer"].ToString()); Console.WriteLine("Computer Name : " +mo["csname"].ToString()); Console.WriteLine("Windows Directory : " +mo["WindowsDirectory"].ToString()); } oq = new System.Management.ObjectQuery("SELECT * FROM Win32_ComputerSystem"); query1 = new ManagementObjectSearcher(ms,oq) ; queryCollection1 = query1.Get(); foreach( ManagementObject mo in queryCollection1 ) { //Console.WriteLine("Manufacturer : " + mo["manufacturer"].ToString()); //Console.WriteLine("Model : " + mo["model"].ToString()); Console.WriteLine(mo["systemtype"].ToString()); Console.WriteLine("Total Physical Memory : " + mo["totalphysicalmemory"].ToString()); } oq = new System.Management.ObjectQuery("SELECT * FROM Win32_processor") ; query1 = new ManagementObjectSearcher(ms,oq) ; queryCollection1 = query1.Get(); foreach( ManagementObject mo in queryCollection1 ) { Console.WriteLine(mo["caption"].ToString()); } oq = new System.Management.ObjectQuery("SELECT * FROM Win32_bios"); query1 = new ManagementObjectSearcher(ms,oq) ; queryCollection1 = query1.Get(); foreach( ManagementObject mo in queryCollection1 ) { Console.WriteLine(mo["version"].ToString()); } Tag: Component Tray Tag: 67134

When I drag my component from the toolbox to the form nothing happens. The component doesn't have any visuals but I expected it to show up on in the component tray. How can I get my components to show up in the component tray, like timers, etc

Thanks

Mark

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Re: Component Tray by Jan

Jan
Wed Jan 21 12:29:48 CST 2004

Make sure you inherit from the System.ComponentModel.Component class.

--
Greetz,
Jan
__________________________________
Read my weblog: http://weblogs.asp.net/jan
"Mark Ramey" <anonymous@discussions.microsoft.com> schreef in bericht
news:EFA4897D-40D6-4773-874B-8566F896F254@microsoft.com...
> When I drag my component from the toolbox to the form nothing happens.
The component doesn't have any visuals but I expected it to show up on in
the component tray. How can I get my components to show up in the component
tray, like timers, etc.
>
> Thanks!
>
> Mark

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Re: Component Tray by anonymous

anonymous
Wed Jan 21 14:36:08 CST 2004

I did

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Re: Component Tray by anonymous

anonymous
Wed Jan 21 14:46:09 CST 2004

Jan,
oops. your right.

public class MyObject : Component
{
}

is not the same as...

public class MyObject : System.ComponentModel.Component
{
}

Thanks!

Mark Ramey

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