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