<connectionStrings>
    <add name="TestEntities"
         connectionString=
         "metadata=res://*/Models.Model1.csdl|res://*/Models.Model1.ssdl|res://*/Models.Model1.msl;
         provider=System.Data.SqlClient;
         provider connection string=&quot;
         Data Source=mssql6.webio.pl,2401;
         Database=[Nazwa_bazy];
         Uid=[nazwa_uzytkownika_bazy];
         Password=[haslo_uzytkownika];
         integrated security=True;
         MultipleActiveResultSets=True;
         App=EntityFramework&quot;"

         providerName="System.Data.EntityClient" />
  </connectionStrings>