public DataTable GetPurchaseItemInfo(ArrayList ParameterList)
 {
     try
     {
         DBO.PUR_PurchaseDeliveryGoodsDBO dbo = new PUR_PurchaseDeliveryGoodsDBO(ref USEDB);
         return dbo.GetPurchaseItemInfo(ParameterList);
     }
     catch (Exception ex)
     {
         throw ex;
     }
 }