I use IExplorer 11 in Windows 8.1, and IIS and ASP.NET 4.6.1 in Windows Server 2008 R2. My ASP.NET application is WebForms and using UpdatePanels. I have handlers config: <httpHandlers> ...

My MVC3 application displays custom error pages for 403, 404, and 500 status codes, but browsing to trace.axd displays the following YSOD: Server Error in '/' Application. Trace Error Descrip...

I need to know the technical difference of those files. Which one is the best option? When and why should we use it? I need a human answer, not the MSDN links.

I am using the .NET 3.5 SP1 framework and I've implemented URL routing in my application. I was getting javascript errors: Error: ASP.NET Ajax client-side framework failed to load. Resource inte...

I've succesfully set up Elmah in my web project and I can access the crash log at http://www.myserver.com/Elmah.axd . The only question is how to secure this URL so that only my colleagues (as o...

I'm using Telerik RadControls for ASP.NET and wondered if there was any way to turn off/stop the CSS that is automatically downloaded with the controls. I don't want to remove any of the class nam...