i have a problem with HyperLinkField in GridView

[memoboy]

i have been write a function that provide a data gridView with data and create it with AJAX.Net liprary. but the DataNavigateUrlFields never worked with me and i dont know why!!!!!!!! the code it [Ajax.AjaxMethod] public string Search() { SqlDataSource DS = new SqlDataSource(); DS.ConnectionString = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString; DS.SelectCommand = "Select ID, Name From Table1"; GridView GV = new GridView(); GV.DataSource = DS; HyperLinkField HLF = new HyperLinkField(); HLF.Text = "Select this"; GV.Columns.Add(HLF); HLF.DataNavigateUrlFormatString = "WebSite2.aspx?FialdNum={0}"; String[] Fialds = new String[] {"ID"}; HLF.DataNavigateUrlFields = Fialds; GV.DataBind(); StringWriter sw = new StringWriter(); HtmlTextWriter hw = new HtmlTextWriter(sw); GV.RenderControl(hw); return sw.ToString(); } and i dont know what is the problem with it thanks!