ASP.NET Development

I am getting the following ERROR in my WebApp on line 30: Server Error in '/TestWebApp' Application. -------------------------------------------------------------------------------- Object reference not set to an instance of an object. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about ...

Hello, I created a WebPage.aspx that has some functions in it, and I created a User Control that has a File Field Control and a Botton control on the .ascx.  I added myUserControl.ascx to the WebPage.aspx, but it can not access the ...

I cannot get my aspx page (ASP.Net 2.0) to remove the FilterExpression on a SqlDataSource.  Can someone tell me what I am doing wrong?  Below is the SelectCommand: <asp:SqlDataSource ID="SqlClosedReason" runat="server" ConnectionString="<%$ ...

Hi all, I have a very weird error going on in an asp.net page that has usercontrols. If I set debug="false" in the web.config file, the page throws an error:- System.Web.HttpException: External component has thrown an exception. ---> ...

How do you expire pages so that the user can't hit the back button on his browser in Internet Explorer? I've tried the meta tag in the header that has an expires = 0 and also in vb.net Response.Expires = 0. Neither of these work ...

Hi: I have some Custom server controls (validated textboxes) in a panel on a form.  In Firefox, it looks all hosed up.  Also, pictures show place holders while loading.  What are my options for getting things to look right in ...

Hi Gang, Does anyone know the best way to make IE run a debugger when it encounters an error when running in VS 2005 debug mode? I'm new to web development and just discovered I have an error that IE has been ignoring. I've isolated it ...

Hi, We are planning to develope an ASP 2.0 solution where we have a basic solution, and addons as modules that is installed either with the basic solution or seperate. It must also include localization. Does anyone have any suggestions on how to make a solution like this. Would ...