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I have an assembly with linq to sql mappings and I'd like to utilize it in my webpart. But when I try following:

DataList dataList = new DataList();
            dataList.DataSource = DB.Foo;

in CreateChildControls, I'm getting sql exception that user IUSR could not log into database. I wonder why it tries to connect with IUSR while I have set another identity for my application pool and that user has access to database. How can I make it connect to database with application pool identity?

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SPSecurity.RunWithElevatedPrivileges runs code under application pool account. –  Alexander Jan 30 '12 at 14:54
@Alexander: I'd be happy to accept you comment as an answer to my question, so please post it as answer if don't mind. –  jjczopek Jan 31 '12 at 18:09
it doesn't matter :) –  Alexander Jan 31 '12 at 20:28

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