private void btnDangKiTK_Click(object sender, EventArgs e) { frmDangKi frm = new frmDangKi(); frm.MdiParent = this; frm.Show(); }
private void lblDangKi_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e) { this.Close(); frmDangKi frm = new frmDangKi(); frm.Show(); }