private void btnMonhoc_Click(object sender, EventArgs e)
{
if (!CheckForm("department"))
{
frmMonhoc monHoc = new frmMonhoc();
monHoc.MdiParent = this;
pnlThongtin.Controls.Add(monHoc);
monHoc.Show();
}
}
private void button3_Click(object sender, EventArgs e)
{
if (!CheckForm("department"))
{
frmMonhoc dp = new frmMonhoc();
dp.MdiParent = this;
dp.Show();
dp.Location = new System.Drawing.Point(137, 0);
}
}