Correction... i provided a way wrong connection string. Here is the one I am using:

connectionString="metadata=res://*/EntityDataModel.csdl|res://*/EntityDataModel.ssdl|res://*/EntityDataModel.msl;provider=System.Data.SqlClient;provider connection string="Data Source = AUSTIN-PC\SILVERMOON;Initial Catalog=TennisProPackDB;Persist Security Info=True;User ID=sa;Password=silvermoon;MultipleActiveResultSets=True;""