private void mnuXuLyMang_Click(object sender, EventArgs e) { frmXuLyMang frm = new frmXuLyMang(); frm.MdiParent = this; frm.Show(); }
private void mnuXuLyMang_Click(object sender, EventArgs e) { frmXuLyMang frm = new frmXuLyMang(); if (frm.ShowDialog() == DialogResult.OK) { } }