private void lbtSelect_Click(object sender, System.EventArgs e)
    {
        partner = new Partner();
        LinkButton lbtSelect1 = (LinkButton)sender;

        if (lbtSelect1.CommandArgument != String.Empty)
        {
            string id = lbtSelect1.CommandArgument.ToString();
            partner.AddTopartner(id, index);
            GetData();
        }
    }