I am getting this exception while binding data to Gridview. I have a control parameter that accepts a integer value from a TextBox. If i provide a invalid value, i get that exception. But can't handle it anywhere. I tried the ObjectDataSource's Selecting method handler, but failed. How do i...more >>

I have an ASP.NET 3.5 site. I want to steup a Forms Authentication page, but if the browser is an IE Intranet browser I want the credentials to automatically post and authenticate. How can I do that? Thanks. ...more >>

I'm having some more problems with javascript. I needed some script to hide and show elements of my page in response to certain actions. So my script uses document.getElementById and sets style.display='none' to hide the element, and sets style.display='block' to display it. This seemed ...more >>

Hi, I have an page that accesses a lot of different tables in a database. I am upgrading this page to use async tasks to increase performance. The problem is that through tracing, I see that the callbacks are running on different threads, but they are not running in parrallel. Here is an exam...more >>

I have an ASP:Repeater which shows Title, DateCreated, State In addition I want two extra columns in my table 01: Modify (this works) 02: Publish or Withdraw depending on Item.CanPublish or Item.CanWithdraw <tr class="DataListStyle"> <td><%# Html.Encode((string)DataBinder.Eval(Cont...more >>

I'm writing a web service that I want to return a strongly typed collection. If I inherit System.collections.generic.list(of T) it returns an ArrayOfT. If I inherit CollectionsBase, it also returns an ArrayOf. I want the root xml element to just be of the class itself (if that makes any sen...more >>

I have a web application that is in a "web farm" but has the load balancer configured to stay with the ip address it was initially assigned to. However, we added machineKey information in our web config file to assure that even if we did jump servers (which has happened), we would not get this...more >>

Could someone please explain the relationship between ApplicationID and a Web site? For example, what and when generates application ID? Any pointers to on-line docs would also be appreciated. Thanks, Dan ...more >>

Hello, I wonder whether someone can explain to me how data is fetched from a database server when using ASP.NET 2.0's gridview with paging enabled? My SQL DataSource has a simple "select * from customers" - no where clause. Using SQL Server's Profiler I can see this same statement is executed...more >>

Hi all - a general 'best practice' query: I have a asp.net 3.5 website using Ajax, sql2005 and vb.net designed in vs2008 running on iis6. All runs happily on the testing server. if I copy all of the files (everything) from the testing to production server again all works fine. If I publi...more >>

I have a (3-tier) desktop application that I developed entirely in C++, comprising mostly of Win32 DLLs as well as some ATL COM objects. Since my existing architecture is 3-tier, moving to N-tier should be theoretically "doable", although, I am not quite sure (from a practical/programming p...more >>

I have this page containing a gridview working well with AJAX. However I have a GridView in a scrollable Div. If the user has the gird scrolled down halfway and makes an update to a row, the grid scrolls back up when I do a databind. How can I keep it in place to preserve the cool AJAX look...more >>

I have a control on a page that appears when there's something somebody needs to enter. No problem - part of a panel and when they need to enter into it, I set the focus for the control. Problem is, it's not on the page. How can I get the control to be on the page when the page reloads? TIA...more >>

Using built-in membership, is there a way to make sure that an administrator (assuming that a site has multiple administrators) can delete/edit only users that he/she created? Any suggestions will be appreciated. Thanks, Bogdan ...more >>

Hello, I have a C# Application that runs on a IIS6. On the first machine I get with the command: Request.ServerVariables["AUTH_USER"] the authorized user like MillerSte. Now I put the hole application to another machine with the same System (Windows 2003 Server) and also IIS. On the ...more >>

Hi, I am trying to create a custom server control that contains several dropdownlists. The control looks like this: Dim pnlHeader As New Panel Protected Overrides Sub RenderContents(ByVal writer as HtmlTextWriter) pnlHeader.RenderControl(writer) End Sub Public Sub Setup_Control(...more >>

In the past I've used the "debugger;" statement with great effect to debug client-side JScipt. Since I moved to Vista I've been having problems. The project is VS2003 so I've got a dual-boot XP, which I'm currently running. However, when I put the "debugger;" into my code, the breakpoint is ...more >>

Hello there i was using the control state because we have disabled Viewstate on a particular page. And i noticed that SaveControlState() is called twice. If you put a trace.warn in SaveControlState you will see it too. It happens on Visual 2005 and Vs 2008. I tested it on a totally clean page...more >>

Using XML serializer, if an XML field is missing, then the value in the object is Nothing. Is there a slick way of converting a "Nothing" to an empty string without doing is if x is nothing then......more >>

Hello, I am trying to extend DataPager control to have predefined template fields. Public Class WebPager Inherits DataPager Protected Overloads Overrides Sub OnInit(ByVal e As EventArgs) MyBase.OnInit(e) Dim field As New TemplatePagerField field.PagerTempla...more >>

Hello, I have a class property of type enum. The enum name is TemplateType: Private _Type As TemplateType < _ Bindable(True), _ DefaultValue(""), _ > _ Public Property Type() As TemplateType Get Return _Type End Get Set(ByVal value As ...more >>

Hi All, I am working on asp.net 2. 0 Application using MS Visual Studio 2005. When I am trying to debug the code on the server (my server name is esealvm087), it's redirecting to http://localhost:2908/attachmenthandler instead of http://esealvm087/attachmenthandler. I don’t quite under...more >>

Is it typical for an 2.0 application take 15 - 20 seconds to start up, after a long period of inactivity? If not, what can I look at to get it to start quicker, the first time it is used?...more >>

What code would I need to add below to make the text in datagrid rows bold when the value of one of the fields, "strResult" equals "Purchased"? Function bolPopulateDataGrid() as Boolean Dim oConn As OleDbConnection Dim oComm As OleDbDataAdapter Dim sConn As String Dim sComm As Stri...more >>

Hi EveryBody: I was downloading a lot of file by using the following code: Response.AddHeader("Content-Disposition", "attachment; filename=" + filename) response.BinaryWrite(buffer() as byte) but I discover for large data this will be a problem because every time I tried to down...more >>