public Int32 Empresa_Registrar(EmpresaDC objDC)
 {
     SSIA2013DataContext dc = null;
     try
     {
         dc = new SSIA2013DataContext(ConfigurationManager.ConnectionStrings["SSIA2013"].ToString());
         Int32 lst = dc.uspEmpresa_Registrar(objDC.RUC, objDC.RazonSocial, objDC.Direccion, objDC.Estado);
         return lst;
     }
     catch (Exception ex)
     {
         throw ex;
     }
     finally
     {
         if (dc != null)
         {
             dc.Dispose();
         }
     }
 }