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'NT AUTHORITY\IUSR' Error with Custom Web Part ???

Posted By:      Posted Date: May 22, 2011    Points: 0   Category :C#

hello everyone,

i work with custom web part on VS2010 ... and SQL 2008 R2 database when i add the web part in my page on sharepoint it keeps gave me this exception about login failed to this user 'NT AUTHORITY\IUSR' ???


Server Error in '/' Application.

Login failed for user 'NT AUTHORITY\IUSR'.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Data.SqlClient.SqlException: Login failed for user 'NT AUTHORITY\IUSR'.

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