IIS Team Blogs Tagged with "ASP.NET, AJAX" (RSS)

Fix: UpdatePanel Async Postbacks Slow in Internet Explorer

We've seen a few issues recently where customers were experiencing very slow async postbacks via an UpdatePanel, but only in Internet Explorer. Other browsers worked fine. (When I say "very slow," I mean in the neighborhood of 30 seconds!) The cause for...

Tip#62: Did you know… How to add Ajax Control Toolkit to the toolbox?

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...

Tip #35: Did you know…How to add Intellisense from script libraries for JS files?

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...

Tip # 30: Did you know... Ajax Extender controls UI behaves differently in VS 2008 than in VS 2005

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...

The PDC this year…

Not sure how many people are planning on attending the PDC (Professional Developers Conference) this year, but it is going to be a fantastic conference. We announced some huge announcements on the PDC web site.  http://www.microsoftpdc.com/ We have...

Slow performance of a GridView inside an UpdatePanel

Here is an interesting problem we ran into recently.  The customer had a large GridView that was being updated by AJAX inside on UpdatePanel and seeing bad performance. The reason is that the Client-Side Javascript has to walk the entire DOM of the...

Internet Explorer 8 Beta 1 Hands-on Labs

Just wanted to pass along some really interesting labs that I came across the other day.  These labs cover the following topics: IE 8 Activities AJAX Developer Tools Standards Support IE 8 WebSlices You can check out all these labs at Internet Explorer...

ASP.NET Scaling Strategies

So there is a very good article that came out in the April 2008 issue of the MSDN Magazine, Scaling Strategies for ASP.NET Applications . The main things in this article are: Scaling ASP.NET Applications and databases Optimizing code Using efficient caching...

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