private void txtMaSach_KeyUp(object sender, KeyEventArgs e)
{
if (txtMaSach.Text != "")
{
int masach = Convert.ToInt32(txtMaSach.Text);
SachDTO sach = sachBUS.LaySachTonKhoTheoMa(masach);
if (sach.MaSach == 0)
{
MessageBox.Show("Không có mã sách này!");
txtMaSach.Clear();
}
else
{
txtTenSach.Text = sach.Ten;
int rowIndex = -1;
for (var i = 0; i < dgvCTHDBanHang.Rows.Count; i++)
{
if (Convert.ToInt32(dgvCTHDBanHang.Rows[i].Cells["colMaSach"].Value) == sach.MaSach)
{
rowIndex = i;
break;
}
}
if (rowIndex == -1)
{
txtSoLuong.Text = sach.SoLuong.ToString();
}
else
{
txtSoLuong.Text = (sach.SoLuong - Convert.ToInt32(dgvCTHDBanHang.Rows[rowIndex].Cells["colSoLuong"].Value)).ToString();
}
txtGiaBia.Text = sach.GiaBia.ToString();
txtSLBan.Text = "1";
}
}
else
{
txtTenSach.Clear();
txtSoLuong.Clear();
txtGiaBia.Clear();
txtSLBan.Clear();
}
}