/// 
        /// Convert DataTable to Html Table.        /// 
        /// 
    
     DataTable        /// 
     
      Html string
             public static string ToHtmlTable(this DataTable dt)        {            GridView gridView = new GridView();            gridView.AutoGenerateColumns = true;            gridView.DataSource = dt;            gridView.DataBind();             StringBuilder sb = new StringBuilder();            StringWriter sw = new StringWriter(sb);            HtmlTextWriter htw = new HtmlTextWriter(sw);             gridView.RenderControl(htw);             return sb.ToString();        }