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June 2009 - Posts

Troubleshooting HTTP 401.3 errors with Process Monitor
Last week I posted the following blog which showed how to use Process Monitor to troubleshoot service startup issues. http://blogs.msdn.com/webtopics/archive/2009/06/16/troubleshooting-service-startup-issues-with-process-monitor.aspx To continue on that Read More...
Posted: Thursday, June 25, 2009 6:16 PM by KyleT | 0 Comments
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How to Add a Locked Header Row to an ASP.NET GridView Control
The GridView control is often used to display tabular data, much like an Excel spreadsheet. However, unlike Excel, the GridView control doesn't have any automatic way of locking the header row so that it doesn't scroll out of view. Check out this example Read More...
Posted: Tuesday, June 23, 2009 7:22 PM by jamesche | 5 Comments
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Getting access denied error when querying for user Roles using Authorization Role Manager
Recently I was working on an AuthorizationRoleProvider issue for an ASP.Net application. Customer was using Authorization Role Manager for the Role management of the Active Directory users. Scenario ======= You developed an Asp.net application using Authorization Read More...
Posted: Friday, June 19, 2009 2:21 AM by rudrar | 0 Comments
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Intermittently System.Web.HttpExceptions(A field or property with the name ’<columnName> ‘ was not found on the selected data source) is thrown when the application is under heavy load
Working on another interesting case where we were occasionally failing with HttpException and after hitting refresh on the browser we were back in business.Next stop was to look at event viewer where bunch of unhandled exceptions like below were reported: Read More...
Posted: Friday, June 19, 2009 2:17 AM by jaskis | 2 Comments
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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 Read More...
Posted: Thursday, June 18, 2009 7:47 AM by jamesche | 15 Comments
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Troubleshooting service startup issues with Process Monitor
Many things can cause a service, like IIS’s World Wide Web Publishing Service, to fail on startup. When troubleshooting such an issue, Process Monitor can be an invaluable tool. What Process Monitor does is monitor all File and Registry access on the Read More...
Posted: Tuesday, June 16, 2009 10:19 PM by KyleT | 1 Comments
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Troubleshooting a simple error message using FREB
FREB (Failed Requests Tracing – formerly known as Failed Request Event Buffering) is one of the nicest features released with IIS7 which would come in handy during troubleshooting. It does request based tracing, and produces a log file (in .xml format) Read More...
Posted: Friday, June 12, 2009 11:08 PM by rakkim | 1 Comments
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Why System.Net.WebException comes up post .NET Framework 3.5 SP1?
In the recent past I have come across several issues where our customers have started running into System.Net.WebException while trying to access a web resource (web service, webpage etc) hosted locally on the same machine using some HostName. This issue Read More...
Posted: Wednesday, June 10, 2009 6:05 PM by amitsh | 0 Comments
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