Simone Chiaretta wrote a very nice post about building a Gmail-like loading indicator (that means top/right corner fixed, regardless of how the users scrolls or sizes the window) with an AJAX UpdateProgress control , an animated gif and some CSS; you can read his great article there : How to make a Gmail...

FlashControl is an ASP.NET 2.0 server control that allow you to add Flash movies (swf files) in your aspx pages. It removes the "Click to activate and use this control" message. This control has some great features: Remove "Click to activate and use this control" message ASP.NET AJAX enabled! (works...

Dave Child from www.ilovejackdaniels.com has created a very nice set of cheat sheets on various dev topics. By looking around I found different ones from other web site. These are really useful as they fit in one printed page to show all the features. I put them all together so my links covers every...

You've deployed your app in prod server, you run it on the browser and you get an exception: Object reference not set to an instance of an object. Exception Details: System.NullReferenceException: Object reference not set to an instance of an object. Source Error: An unhandled exception was generated...

When it comes to debug JavaScript lot's of people feel such a pain (or even think it's impossible) the fact is solution exists but is not obvious. The problem is you can't add breakpoint in your Js code " This is not a valid location for a breakpoint. " on VS 2005 unless you move it to an external Js...

In VS 2005, you can drag and drop an extender control anywhere on the design surface. However, in VS 2008, you can drop an extender only on an ASP control which the extender can extend its functionality. When you drag an extender and hover it over a control, if the control can support the extender, you...

Here is an example to add intellisense for JS files in VS 2008. So, you have two Javascript files Jscript1.js with the following code function validateForm() { } and Jscript2.js (wherein you want current JScript file to show intellisense including objects & functions declared in Jscript1.js) Now...

Steps to add Ajax Control Toolkit for Framework 3.5 SP1 Steps to add Ajax Control Toolkit for Framework 2.0 Ajax Control Toolkit for Framework 3.5 SP1 Following are the steps to add Ajax Control Toolkit to the toolbox for ASP.NET 3.5 webs in Visual Studio 2008 SP1 Download Ajax Control toolkit from here...

Steps to add Ajax Control Toolkit for Framework 3.5 SP1 Steps to add Ajax Control Toolkit for Framework 2.0 Ajax Control Toolkit for Framework 3.5 SP1 Following are the steps to add Ajax Control Toolkit to the toolbox for ASP.NET 3.5 webs in Visual Studio...( read more )