private void btn_taikhoan_Click(object sender, EventArgs e)
{
this.Hide();
NguoiDung nguoidung = new NguoiDung();
nguoidung.ShowDialog();
}
private void lbx_tennv_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
NguoiDung nd = new NguoiDung();
nd.ShowDialog();
}
private void ngườiDùngToolStripMenuItem_Click(object sender, EventArgs e)
{
NguoiDung ND = new NguoiDung();
ND.ShowDialog();
}
