public ActionResult DeleteInstallment(long InstallmentID, long buyerID)
        {
            SellerViewModel sellerviewModel = new SellerViewModel();
            List <SellerInstallmentModel> lstinstallments = _ISeller.DeleteSellerInstallment(InstallmentID, buyerID);

            // products
            sellerviewModel.sellerInfor = new SellerModel();
            sellerviewModel.productInfo = new SellerProductModel();
            sellerviewModel.Lstproducts = new List <SellerProductModel>();

            // Installments
            sellerviewModel.Installments    = new SellerInstallmentModel();
            sellerviewModel.LstInstallments = new List <SellerInstallmentModel>();
            sellerviewModel.LstInstallments.AddRange(lstinstallments);
            return(PartialView("~/Views/Seller/_SellerInstallments.cshtml", sellerviewModel));
        }