Display Image in Gridview using Linq

//=============display Image in Gridview ==================

            var data1 = (from m in lnkobj.Members

                        join u in lnkobj.UsrMsts on m.User_id equals u.User_Id

                       where m.Bod == Bod

                        select new

                        {                          

                            u.User_Id

                        });

            int userid=0;

            foreach (var a in data1)

            {

                userid = a.User_Id;

            }

            for (int i = 0; i < GridView2.Rows.Count; i++)

            {

                Image img = (Image)GridView2.Rows[i].Cells[0].FindControl("Image1");

                

                img.ImageUrl = "~/Handler.ashx?Id=" + userid.ToString();

            }

       

        }

//=======================Copy this code into Handler.ashx file ===================

=============================================================================

<%@ WebHandler Language="C#" Class="Handler" %>

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.IO;

using System.Web.UI;

using System.Web.UI.WebControls;

public class Handler : IHttpHandler {

    public void ProcessRequest(HttpContext context)

    {

        string id = context.Request.QueryString["Id"];

        context.Response.ContentType = "image/jpeg";

        System.IO.Stream strm = ShowEmpImage(id);

        byte[] buffer = new byte[4096];

        int byteSeq = strm.Read(buffer, 0, 4096);

        while (byteSeq > 0)

        {

            context.Response.OutputStream.Write(buffer, 0, byteSeq);

            byteSeq = strm.Read(buffer, 0, 4096);

        }

    }

    public bool IsReusable {

        get {

            return false;

        }

    }

    public System.IO.Stream ShowEmpImage(string id)

    {

        DataClassesDataContext context1 = new DataClassesDataContext();

        var r = (from a in context1.Emps where a.Id ==Convert.ToInt32(id) select a).First();

        return new System.IO.MemoryStream(r.Photo.ToArray());

    }

}