I have a SQL Server database residing on my PC. I can successfully query tables in this database from a .Net WinForm. However, if I attempt to perform the same queries using a .Net WebForm, I get the following error message:

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Server Error in '/myappfolder' Application.
Login failed for user 'Mydomain\Userid'.
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Why can I query the SQL Server tables within a WinForm but not within a WebForm?

What can I do to correct this problem?

Thanks,

Jerry