private void BtnThongTin_ItemClick(object sender, ItemClickEventArgs e)
{
frmThongTin frmtt = new frmThongTin();
frmtt.ShowDialog();
}
private void btnTT_ItemClick(object sender, ItemClickEventArgs e)
{
frmThongTin frmThongTin = new frmThongTin();
frmThongTin.ShowDialog();
}
private void btnThongTin_Click(object sender, EventArgs e)
{
fTT.ShowDialog();
}
