private void UpdateSoLuongMatHang() { tblmathangtraBL ctrmathangban = new tblmathangtraBL(); tblmathangBL ctrmathang = new tblmathangBL(); DataTable dt = new DataTable(); dt = ctrmathangban.GetByHDID(txtID.Text.Trim()); for (int i = 0; i < dt.Rows.Count; i++) { string sidmathang = ""; try { sidmathang = dt.Rows[i]["id_mathang"].ToString().Trim(); } catch { } string sidmathangban = ""; try { sidmathangban = dt.Rows[i]["id"].ToString().Trim(); } catch { } if (sidmathang.Trim().Equals("") == false && sidmathangban.Trim().Equals("") == false) { tblmathangtra objmathangban = new tblmathangtra(); objmathangban = ctrmathangban.GetByID(sidmathangban); tblmathang objmathang = new tblmathang(); objmathang = ctrmathang.GetByID(sidmathang); objmathang.soluong = objmathang.soluong - objmathangban.soluong; try { ctrmathang.Update(objmathang); } catch { } } } }
private void HienThiDSMatHang() { try { DataTable dt = new DataTable(); tblmathangtraBL ctr = new tblmathangtraBL(); dt = ctr.GetByHDID(txtID.Text.Trim()); dt.Columns.Add("tt", typeof(Int32)); flxMatHang.DataSource = dt; FormatGridMatHang(); } catch { } }