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Possible solution for : Request for the permission of type 'System.Data.SqlClient.SqlClientPermission, System.Data, Version=2.0.0.0, Culture=neutral,

I was browsing for a solution for the error thrown by the MOSS when you are using a webpart which uses connection to database...

"Request for the permission of type 'System.Data.SqlClient.SqlClientPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed."

a possible solution is like this :

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: If you've gone with the default SharePoint or WSS install, this file is located at :\Program Files\Common Files\Microsoft Shared\Server Extensions\60\Config)

* Add the following element to the SecurityClasses section of this config file:
< name="SqlClientPermission" description="System.Data.SqlClient.SqlClientPermission, System.Data, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">

* In the PermissionSet section of this configuration file, add the following:
< class="SqlClientPermission" version="1" unrestricted="true">


If you still run into the error, try adding these settings to the wss_mediumtrust.config file.

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MarkViky
@yahoo.com

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