private void TKMenuItem_Click(object sender, EventArgs e) { PanelParent.Controls.Clear(); frmThongKe frm = new frmThongKe(PanelParent, this); ShowForm(frm); }
private void thongKeThuNhapToolStripMenuItem1_Click(object sender, EventArgs e) { //----!Đóng tất cả form con đang hiện ---- foreach (Form f in MdiChildren) { if (f.ShowInTaskbar) { f.Close(); } } if (kiemTraTrungForm("frmThongKe")) { frmThongKe fThongKe = new frmThongKe(); fThongKe.Name = "frmThongKe"; fThongKe.MdiParent = this; fThongKe.Show(); } }