private void toolStripButton3_Click(object sender, EventArgs e) { frmMuonTra ds = new frmMuonTra(this.id); ds.MdiParent = this; ds.Show(); }
private void danhMụcĐọcGiảToolStripMenuItem_Click(object sender, EventArgs e) { frmMuonTra ds = new frmMuonTra(this.id); ds.MdiParent = this; ds.Show(); }
private void btnMuonTra_Click(object sender, EventArgs e) { frmMuonTra frmmt = new frmMuonTra(); this.Hide(); frmmt.ShowDialog(); this.Show(); }