public string DeletePODETAIL(string PODETAILCode)
        {
            string Result = "Success";

            try
            {
                Purchase_Order_Processing_System.PODETAIL _PODETAIL = poDb.PODETAILs.Where(x => x.ITCODE == PODETAILCode).ToList().FirstOrDefault();
                poDb.PODETAILs.Remove(_PODETAIL);
                poDb.SaveChanges();
            }
            catch (Exception ex)
            {
                Result = ex.Message;
            }
            return(Result);
        }
        public string UpdatePODETAIL(PODETAIL _PODETAIL)
        {
            string Result = "Success";

            try
            {
                Purchase_Order_Processing_System.PODETAIL _podetail = poDb.PODETAILs.Where(x => x.PONO == _PODETAIL.PONO).ToList().FirstOrDefault();
                _podetail.ITCODE   = _PODETAIL.ITCODE;
                _podetail.ITEM     = _PODETAIL.ITEM;
                _podetail.POMASTER = _PODETAIL.POMASTER;
                _podetail.QTY      = _PODETAIL.QTY;
                poDb.SaveChanges();
            }
            catch (Exception ex)
            {
                Result = ex.Message;
            }
            return(Result);
        }