private void btnthem_Click(object sender, EventArgs e)
{
Frm_KhachHangThem _frmKhachHang = new Frm_KhachHangThem();
_frmKhachHang.them = true;
_frmKhachHang.ShowDialog();
HienThiDanhSachKhachHang();
}
private void btnsua_Click(object sender, EventArgs e)
{
{
if (_khachHang != null)
{
Frm_KhachHangThem _frmKhachHang = new Frm_KhachHangThem();
_frmKhachHang._khachHang = _khachHang;
_frmKhachHang.them = false;
_frmKhachHang.ShowDialog();
HienThiDanhSachKhachHang();
}
else
{
MessageBox.Show("Chưa chọn khách hàng muốn sửa", "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
}