pdf files in the sql database

<asp:TemplateField HeaderText="ID" SortExpression="ID"> 

    <ItemTemplate>

        <asp:HyperLink  ID="hl1" runat="server" 

            NavigateUrl='<%# String.Format("readfile.ashx?id={0}", Eval("ID") ) %>' 

            Text='<%# Eval("ID") %>' >

        </asp:HyperLink>

    </ItemTemplate>

</asp:TemplateField>

href="readfile.ashx?id=24"

this is what my handler code looks like

    /// 

    /// Summary description for $codebehindclassname$

    /// 

    [WebService(Namespace = "http://tempuri.org/")]

    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]

    public class readfile : IHttpHandler

    { 

        public void ProcessRequest(HttpContext context)

        { 

            ReportContext ctxReport = new ReportContext();

            var r = from re in ctxReport.Report

                    where re.ID == Convert.ToInt32(context.Request["id"].ToString()) 

                    select re;

            Report rReport = r.FirstOrDefault<Report>();

            context.Response.Clear();

            string t = rReport.ReportType.TypeName;

            context.Response.ContentType = "application/pdf"; 

            context.Response.OutputStream.Write( 

                rReport.ReportData.ToArray() , 0

                , Convert.ToInt32(rReport.FileLength));

            context.Response.End(); 

        } 

        public bool IsReusable

        {

            get

            {

                return true;

            }

        } 

    }