private void button2_Click(object sender, EventArgs e) { FormDangNhap f = new FormDangNhap(); f.Show(); this.Hide(); }
private void HienThiDangNhap() { FormDangNhap frmDangNhap = new FormDangNhap(); frmDangNhap.MdiParent = this; frmDangNhap.Show(); }
private void btnDangNhap_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) { Form frmAction = CheckExists(typeof(FormDangNhap)); if (frmAction != null) { frmAction.Activate(); } else { FormDangNhap frmDangNhap = new FormDangNhap(); frmDangNhap.MdiParent = this; frmDangNhap.Show(); } }