how to configure entity framework model ...

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when i creating entity framework then it is showing error like below.
how can i solve this error.
Please help me to solve this error.

CSS

Could not parse the configuration file. The error message is: 'The 'data source' keyword is not supported.'. Try editing the file manually and then saving it.
Generated model file: treModel.edmx.
Loading metadata from the database took 00:00:02.5454278.
Generating the model took 00:00:02.2199717.
Unable to update the Web.Config file because of the following exception: 'The 'data source' keyword is not supported.'
Successfully registered the build provider in the Web.Config file.
Writing the .edmx file took 00:00:00.0084904.
Generated model file: treModel.edmx.
Loading metadata from the database took 00:00:02.9408819.
Generating the model took 00:00:01.2660688.
Unable to update the Web.Config file because of the following exception: 'The 'data source' keyword is not supported.'
Successfully registered the build provider in the Web.Config file.
Writing the .edmx file took 00:00:00.0087412.

Posted 18-Sep-13 2:53am

Mukesh Bhagat

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Krunal Rohit 18-Sep-13 9:04am

Provide your EF Connection String..

Mukesh Bhagat 18-Sep-13 9:08am

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Mukesh Bhagat · Answer 1 · 2013-09-18T03:07:00

My Entity Connection String is:-

<add name="treEntities" connectionstring="metadata=metadata=res://*/App_Code.treModel.csdl|res://*/App_Code.treModel.ssdl|res://*/App_Code.treModel.msl;provider=System.Data.SqlClient;provider connection string='Data Source=localhost;Initial Catalog=Tre;Integrated Security=True;Connection Timeout=60;multipleactiveresultsets=true'" providername="System.Data.EntityClient">