Mostar imagem do banco em GridView

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="5"
                GridLines="None" ShowHeader="False">
                <Columns>
                    <asp:TemplateField>
                        <ItemTemplate>
                            <asp:Image ID="imgSaved" runat="server" ImageUrl=´<¬# imageURL(DataBinder.Eval(Container.DataItem, "img_id").ToString()) ¬>´
                                AlternateText=´<¬#DataBinder.Eval(Container.DataItem,"img_title") ¬>´ />
                        </ItemTemplate>
                    </asp:TemplateField>
                </Columns>
            </asp:GridView>

SqlDataAdapter myAdapter = new SqlDataAdapter(myCommand);
            DataSet myDataSet = new DataSet();
            myAdapter.Fill(myDataSet);

            foreach (DataRow dRow in myDataSet.Tables[0].Rows)
            {
                //Response.ContentType = dRow["img_type"].ToString();
                byte[] imageContent = (byte[])((dRow["image"]));
                Response.BinaryWrite(imageContent);
            }

            GridView1.DataSource = myDataSet;
            GridView1.DataBind();