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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 this isn't a mystery to us. Because of the way our HTML viewer (mshtml.dll) was designed, Internet Explorer can be slow to iterate through large DOM collections in certain scenarios. As it happens, the PageRequestManager class has a method called...( read more ) Read More...
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 (you can download AjaxControlToolkit-Framework3.5Sp1-dllonly.zip this would contain the dll only). Extract the content of the zip file downloaded in steps 2 above. Launch Visual Studio 2008 Create...( read more ) Read More...
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 to add intellisense, from the solution explorer drag drop Jscript1.js into Jscript2.js. You will notice that the following Jscript document comment has been added to the Jscript2.js file. /// <reference...( read more ) Read More...
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 would see the cursor turn into a plus (+) sign. If you hover an extender over the blank design surface, or over a control which is not supported by the extender, the cursor will turn into a stop sign...( read more ) Read More...
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 Read More......( read more ) Read More...
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 Read More......( read more ) Read More...
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 Read More......( read more ) Read More...
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 Read More......( read more ) Read More...
As you may know, we have already announced that the IIS team was working with Zend to improve PHP performance on the Windows platform. While that fact might stand alone as pretty cool, I also found this link on Brad Abrams blog about an Microsoft Ajax library for PHP . I find both of these initiatives to be extremely cool. Look for more information coming soon Read More...
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