public vContratosInt GetDetContratos(string Cod_Con)
 {
     CGSupervisorBLL o = new CGSupervisorBLL();
     return o.GetDetContrato(Cod_Con);
 }
 public vContratosInt GetDetContratos(string CodCon)
 {
     CGSupervisorBLL o = new CGSupervisorBLL();
     string username = Usuario.UserName;
     return o.GetDetContrato(CodCon);
 }