i write this code in itemcommandi have error
please help
GridFooterItem footer = (GridFooterItem)e.Item;
CDS.Savin.WebUI.Generals.General.SumDiscount = sumDicount;
CDS.Savin.WebUI.Generals.General.SumPrice = SumTotalPrice;
(footer["Count"].FindControl("txtSumCount") as TextBox).Text = (CDS.Savin.WebUI.Generals.General.numberToMoney(SumCount.ToString()));
(footer["Price"].FindControl("txtSumPrice") as TextBox).Text = (CDS.Savin.WebUI.Generals.General.numberToMoney(sumprice1.ToString()));
(footer["Discount"].FindControl("txtSumDiscount") as TextBox).Text = (CDS.Savin.WebUI.Generals.General.numberToMoney(sumDicount.ToString()));
(footer["totalPrice"].FindControl("txtSumTotalPrice") as TextBox).Text = (CDS.Savin.WebUI.Generals.General.numberToMoney(SumTotalPrice.ToString()));
(footer["sumprice"].FindControl("txtSumPriceT") as TextBox).Text = ((SummPrice.ToString()));