private void DanhSachHD_Load(object sender, EventArgs e) { HoaDonBUS objHD = new HoaDonBUS(); if (objHD.GetHD() != null) { dgvHD.DataSource = objHD.GetHD(); } else { MessageBox.Show("Lỗi dữ liệu không thể tải danh sách"); } }
//luu thong tin no,tao hoa don private void butTao_Click(object sender, EventArgs e) { hd.No = int.Parse(txtTongtien.Text) - int.Parse(txtTientra.Text); hd.TienTra = int.Parse(txtTientra.Text); if (hd.TongTien < hd.TienTra) { MessageBox.Show("Tiền trả quá tổng tiền"); txtTientra.Focus(); } else { HoaDonBUS objHD = new HoaDonBUS(); string sohd = "HD"; int stt = objHD.GetHD().Rows.Count + 1; for (int i = 0; i < 2 - stt.ToString().Length; i++) { sohd += "0"; } sohd += stt.ToString(); hd.SoHD = sohd; labSohd.Text = sohd; labNgaylap.Text = txtNgaylap.Text; labTenkh.Text = hd.TenKH; labTensach.Text = hd.TenSach; labTheloai.Text = hd.Theloai; labSl.Text = txtSl.Text; labTongtien.Text = txtTongtien.Text; labTientra.Text = txtTientra.Text; labNo.Text = hd.No.ToString(); labDongia.Text = hd.Gia.ToString(); butTao.Enabled = false; butLuu.Enabled = true; } }