private void btnThem_Click(object sender, EventArgs e)
{
luu = true;
frmKhachHang_Sua frm = new frmKhachHang_Sua(this.grdKH);
frm.Text = "Thêm khách hàng";
frm.ShowDialog();
}
private void btnSua_Click(object sender, EventArgs e)
{
DataGridViewRow row = this.grdKH.Rows[grdKH.CurrentCell.RowIndex];
luu = false;
frmKhachHang_Sua frm = new frmKhachHang_Sua(this.grdKH);
MaKH = row.Cells[0].Value.ToString();
TenKH = row.Cells[1].Value.ToString();
SoDienThoai = row.Cells[2].Value.ToString();
DiaChi = row.Cells[3].Value.ToString();
frm.Text = "Sửa khách hàng";
frm.ShowDialog();
}