private void btnLapPhieuMoi_Click(object sender, EventArgs e) { i = 0; btnLapPhieuMoi.Enabled = false; btnThemSP.Enabled = true; btnIn.Enabled = true; cboMaDH.Enabled = false; txtMaPGNCC.ReadOnly = true; txtSoPG.Text = PhieuGiaoHangBUS.GetIDPhieuGiao(); txtMaSP.ResetText(); txtTenSP.ResetText(); txtSoLuong.ResetText(); dtkNgayGiao.Value = DateTime.Now; dgvDanhSach.Rows.Clear(); // Thêm vào auto complete. AutoCompleteStringCollection auto = new AutoCompleteStringCollection(); foreach (DataRow row in SanPhamBUS.DanhSachSPTheoDDH(cboMaDH.SelectedValue.ToString()).Rows) { auto.Add(row["MaSanPham"].ToString()); } txtMaSP.AutoCompleteMode = AutoCompleteMode.Suggest; txtMaSP.AutoCompleteSource = AutoCompleteSource.CustomSource; txtMaSP.AutoCompleteCustomSource = auto; }