private void btnKhachHang_ItemClick(object sender, ItemClickEventArgs e) { fKhachHang f = new fKhachHang(); f.MdiParent = this; f.Show(); }
private void mtKhachHang_Click(object sender, EventArgs e) { fKhachHang form = new fKhachHang(); this.Hide(); form.ShowDialog(); this.Show(); }
public static fKhachHang khoitao() { if (check == false) { check = true; KH = new fKhachHang(); } else { KH.Activate(); } return(KH); }