public static string GetConnectionString()
{
string baseConnectionString = ConfigurationManager.ConnectionStrings["ApplicationServices"].ConnectionString;
var entityBuilder = new EntityConnectionStringBuilder();
entityBuilder.Provider = "System.Data.SqlClient";
entityBuilder.ProviderConnectionString = baseConnectionString;
entityBuilder.Metadata = @"res://*/SceneCRM.csdl|res://*/SceneCRM.ssdl|res://*/SceneCRM.msl";
return entityBuilder.ToString();
}