private void xemKếtQuảToolStripMenuItem_Click(object sender, EventArgs e)
 {
     if (Kiemtraform("frmTimKQ") == false)
     {
         frmTimKQ frmk = new frmTimKQ();
         frmk.Name      = "frmTimKQ";
         frmk.MdiParent = this;
         frmk.Show();
     }
 }
Exemple #2
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        private void btnXemKQ_Click(object sender, EventArgs e)
        {
            frmTimKQ kq = new frmTimKQ();

            kq.ShowDialog();
        }