private void btntruyxuat_Click(object sender, EventArgs e) { frmrptMatHang frm = new frmrptMatHang(); frm.MdiParent = this; frm.Show(); }
private void bToolStripMenuItem_Click(object sender, EventArgs e) { frmrptMatHang frm = new frmrptMatHang(); frm.MdiParent = this; frm.Show(); }