public Dictionary <long, IList <SingleInvoiceView> > GetSingleInvoiceListUsingSP(long OrderId)
 {
     try
     {
         return(PSF.ExecuteStoredProcedureByDictonary <SingleInvoiceView>("GetSingleInvoiceList",
                                                                          new[] { new SqlParameter("OrderId", OrderId) }));
     }
     catch (Exception ex)
     {
         throw ex;
     }
 }