How can i display image from binary image in sql db

public class DisplayImage : IHttpHandler
        {
            string constring = ConfigurationManager.ConnectionStrings["AMTConnectionString"].ConnectionString;
            public void ProcessRequest(HttpContext context)
            {
                string ImageID = context.Request.QueryString["Sampleid"];
                SqlConnection conn = new SqlConnection(constring);
                conn.Open();
                SqlCommand cmd = new SqlCommand("select image from solids where sampleid=" + ImageID, conn);
                SqlDataReader dr = cmd.ExecuteReader();
                dr.Read();
                context.Response.BinaryWrite((Byte[])dr[0]);
                conn.Close();
                context.Response.End();
            }

            public bool IsReusable
            {
                get
                {
                    return false;
                }
            }
        }


ASPX page:
   <div>  
    <asp:GridView ID="ImageGrid" runat="server" AutoGenerateColumns="False">  
        <columns>  
        <asp:TemplateField HeaderText="Image">  
        <itemtemplate>  
        <asp:Image ID="Image1" runat="server" ImageUrl='<%# "ImageHandler.ashx?ImageID="+ Eval("SampleID") %>' Height="150px" Width="150px"/>  
        </itemtemplate>  
          
        </columns>  
      
</div>  

public partial class SolidsDetail : System.Web.UI.Page
    {
        string constring = ConfigurationManager.ConnectionStrings["AMTConnectionString"].ConnectionString;
        protected void Page_Load(object sender, EventArgs e)
        {
            Image();
        }
        
        private void Image()
        {
            string ImageID = Request.QueryString["Sampleid"];
            SqlConnection conn = new SqlConnection(constring);
            SqlCommand cmd = new SqlCommand("SELECT * from solids where sampleid =" + ImageID, conn);
            SqlDataAdapter da = new SqlDataAdapter(cmd);
            DataTable dt = new DataTable();
            da.Fill(dt);
            ImageGrid.DataSource = dt;
            ImageGrid.DataBind();
        }
    }