IIS and ASP.NET Information and Tips from Microsoft Developer Support
Email Blog Author
RSS for comments
RSS for posts
Search this blog
Search all blogs
Browse by Tags
Tagged Content List
Getting the Sys.WebForms.PageRequestManagerParserErrorException while making an AJAX callback
Recently I encountered an issue wherein our customer was running into a client side AJAX exception, Sys.WebForms.PageRequestManagerParserErrorException , while trying to make an Async Postback from an ASPX page. This exception was happening for all the clients in a specific network and looked like this...
21 Jul 2009
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 this isn't a mystery to us. Because of the way...
18 Jun 2009
<location> Tag Causes Local Automatic ASP.NET debugging not to work in Visual Studio
This week I got an interesting issue altogether. One of my customers was unable to debug ASP.NET 3.5 application locally using Visual Studio 2008. The application was created using Web Application Project. When we started the application using "Start Debugging (F5)", page came up fine but debugger...
2 Feb 2009
Why cacheRolesinCookie does not work well with the Ajax Extensions 1.0 and RoleManager of .NET Framework 2.0?
One of my customers ran into this issue couple of months ago. I wanted to blog it earlier but I was waiting for the Fix to come out. The typical scenario is - you are using the System.Web.RoleManager of .NET Framework 2.0 along with Ajax Extensions. When you do a callback you might run into exception...
30 Jan 2009
Page 1 of 1 (4 items)
© 2015 Microsoft Corporation.
Privacy & Cookies