CLR Integration

How and Where to add the System.Configuration namespace in the .csproj file in Sql Server Project? Code is attached.This is done to add the System.Configuration namespace in the references of SQL Server Project.

<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> 
  <ProjectExtensions> 
    <VisualStudio> 
      <FlavorProperties GUID="{c252feb5-a946-4202-b1d4-9916a0590387}" xmlns=""> 
        <DatabaseConnection Name="Data Source=home-fae33f9d42\sqlexpress;Initial Catalog=Accounting;Integrated Security=True" Provider="{91510608-8809-4020-8897-FBA057E22D54}" ConnectionString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
      </FlavorProperties> 
    </VisualStudio> 
  </ProjectExtensions> 
</Project>

Yogesh Sindwani, Feb 06, 2011