Tagged: Tips & Tricks

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SharePoint Web Parts and SqlClientPermission Errors

If you are developing custom web parts that need to connect to a SQL Server database to retrieve data, you may be confronted with the following error: {"Request for the permission of type System.Data.SqlClient.SqlClientPermission, System.Data, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 failed." } This is due to SharePoint Portal Server and Windows SharePoint Services implementation of .NET Code Access Security (CAS).  A solution that addresses the aforementioned error is cited below: Locate and open the wss_minimaltrust.config file (NOTE:...

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