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Chris Love's Official ASP.NET Blog

Chris Love's Helpful tips, tricks and pragmatic development knowledge for the ASP.NET world.
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Type 'ASP.global_asax' is not defined.
I am honestly not sure how I created this error, but I know this I did not find much out there on how to solve the issue. I think part of the reason this occurred is I was adding existing pages from another site to reuse in a new web site. But I have Read More...
‘ScriptManager’ is ambiguous in the namespace ‘System.Web.UI’
I suddenly found myself getting this error the first time I tried to run a freshly minted ASP.NET 3.5 web site with the ScriptManager in place on the Master Pages. I did a quick search, but only found some references from the time before 3.5, and they Read More...
How to Deal with the 'Failed to Access IIS Metabase' Error
You may get this the first time you try to execute an ASP.NET site on a Windows XP installation of IIS 5.1 The error will point you to a Microsoft Knowledge Base article to solve the Failed to Access IIS Metabase error that instructs you to use a Metaacl.vbs Read More...
Cures for the Common Ailments - Part 5: Reporting Exceptions through E-Mail
A few months ago I made an entry reviewing how to send e-mail from an ASP.NET page , today I am going to extend that entry a little an show how you can make a simple exception reporting utility for your web pages. One of the terrible things we as developers Read More...
Unable to cast object of type 'ASP.masterpage_master' to type 'ASP.masterpage_master'.
If you ever come across this error you can you can usually resolve it pretty quickly, but most likely it will crop up again. The InvalidCastException, “Unable to cast object of type ‘ASP.type’ to ‘ASP.Type’” is an extremely Read More...