private void loadds_goiMon(string ma) { listView1.Items.Clear(); danhsachgoimonBS bs = new danhsachgoimonBS(); List <danhsachGoiMon> ds = bs.load_ds_goimon(ma); for (int i = 0; i < ds.Count; i++) { listView1.Items.Add(ds[i].ma_sp.ToString()); listView1.Items[i].SubItems.Add(ds[i].soluong.ToString()); listView1.Items[i].SubItems.Add(ds[i].ma_sp1.ToString()); listView1.Items[i].SubItems.Add(ds[i].gia.ToString()); } }
private decimal thanhtoan(string ma) { int soluong = 0; decimal gia = 0; decimal tongtien = 0; danhsachgoimonBS bs = new danhsachgoimonBS(); List <danhsachGoiMon> ds = bs.load_ds_goimon(ma); for (int i = 0; i < ds.Count; i++) { soluong = Convert.ToInt32(ds[i].soluong.ToString()); gia = Convert.ToDecimal(ds[i].gia.ToString()); tongtien += (soluong * gia); } return(tongtien); }