André,
This often happens when the temporary ASP.NET assembly files get out of sync
with the solution. Try going into the Temporary ASP.NET Files folder with
your solution closed, and delete all the files. Then open the solution back
up and rebuild.
Peter
--
Co-founder, Eggheadcafe.com developer portal:
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UnBlog:
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"André Silva" wrote:
"Unable to cast object of type 'ASP.masterpage_master' to type
'ASP.masterpage_master'. "
Every time I make a change on the web site and run it this error occurs. To
fix it I must rebuild entire web site which takes a lot of time.
How can I run the site after a change widhout seeing this annoying error?