Ick. I don't think the P/Invoke and COM marshallers work well together. Use one or the other, but not both. Stability. What an interesting concept. -- Chris Maunder

I don't think it is related to Session timeout. Application timeout happens when the server restarts. This could be due to some reason your IIS restarted or your IIS process recycled based on some settings on your Server or you updated the web.config or assemblies that resulted in a restart. :zzz:----------------------------------------------------------------------:(( T Manjaly C# Tutorials and samples : http://www.dotnetspider.com

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