partial void DeletetblSys_Group_User_Matrix(tblSys_Group_User_Matrix instance);
 partial void InserttblSys_Group_User_Matrix(tblSys_Group_User_Matrix instance);
 partial void UpdatetblSys_Group_User_Matrix(tblSys_Group_User_Matrix instance);
 private void detach_tblSys_Group_User_Matrixes(tblSys_Group_User_Matrix entity)
 {
     this.SendPropertyChanging();
     entity.tblSys_Group = null;
 }