private void frmMain_Load(object sender, EventArgs e)
{
frmThongTin frmThongTin = new frmThongTin();
frmThongTin.TopLevel = false;
pnZone.Controls.Add(frmThongTin);
frmThongTin.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
frmThongTin.AutoScroll = true;
frmThongTin.Dock = DockStyle.Fill;
frmThongTin.Show();
QUYEN = BUSAccount.Instance.GetQuyen(frmLogin.ID_USER);
}
private void barButtonItem3_ItemClick(object sender, ItemClickEventArgs e)
{
frmThongTin frm = new frmThongTin();
frm.Show();
}