public void ResetForm() { this.pnlChucNang.Controls.Clear(); tra = new TraDia(this); ThemGiaiDoan(tra); ShowForm(); }
private void trảĐĩaToolStripMenuItem_Click(object sender, EventArgs e) { TraDia frmTraDia = new TraDia(); foreach (Form frm in MdiChildren) { frm.Close(); } frmTraDia.MdiParent = this; frmTraDia.Show(); }