private void họcViênToolStripMenuItem_Click(object sender, EventArgs e) { if (Kiemtraform("frmTimcobanHV") == false) { frmTimHV frmTimhv = new frmTimHV(); frmTimhv.Name = "frmTimcobanHV"; frmTimhv.MdiParent = this; frmTimhv.Show(); } }
private void btnTimHV_Click(object sender, EventArgs e) { frmTimHV hocvien = new frmTimHV(); hocvien.ShowDialog(); }