private void DanhSachThanhVienToolStripMenuItem_Click(object sender, EventArgs e)
{
frmDanhSachThanhVien frm = new frmDanhSachThanhVien();
frm.ShowDialog();
}
private void DanhSachThanhVienToolStripMenuItem_Click(object sender, EventArgs e)
{
frmDanhSachThanhVien frm = new frmDanhSachThanhVien();
frm.ShowDialog();
}