private void danhMụcPhiếuMượnToolStripMenuItem_Click(object sender, EventArgs e) { frmDocGia ds = new frmDocGia(); ds.MdiParent = this; ds.Show(); }
private void toolStripLabel6_Click(object sender, EventArgs e) { frmDocGia ds = new frmDocGia(); ds.MdiParent = this; ds.Show(); }