private void mnTraCuuHocSinh_Click(object sender, System.EventArgs e) { FrmTraCuu frmTracuu = new FrmTraCuu(); frmTracuu.MdiParent = this; frmTracuu.Show(); }
private void mnTraCuuHocSinh_Click(object sender, System.EventArgs e) { FrmTraCuu frmTracuu=new FrmTraCuu(); frmTracuu.MdiParent=this; frmTracuu.Show(); }