Data List Opereation With Query String by( Akram)

<asp:Content ID="Content1" ContentPlaceHolderID="head" Runat="Server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
    <table>
        <tr>
            <td>
                <asp:DataList ID="dlproductdetails" runat="server"  RepeatDirection="Horizontal" RepeatColumns="3">
                    <ItemTemplate>
                         <table>
                            <tr>
                                <td style="border:1px solid #efefef">
                                <a href="Default2.aspx?id=<%#Eval("pdid") %>">   <asp:Image ID="image1" runat="server" ImageUrl='<%#Eval("product_image") %>' Height="200px" Width="200px" /><br /></a>
                                </td>                               
                            </tr>                           
                             <tr>
                                <td align="center" style="font-family:Verdana; font-size:12px; color:Green; ">
                           <a href="Default2.aspx? id=  <%#Eval("pdid") %>">         <%#Eval("product_name") %><br /></a>
                                 <b style="color:black ;text-decoration: line-through"> Rs.    <a href="Default2.aspx? id=<%#Eval("price") %>" >  <%#Eval("price")%> </a></b>
                                </td>
                               
                            </tr>
                              <tr>
                                <td align="center" style="font-family:Verdana; font-size:12px; color:Green; ">
                              
                                 <b style="color:black">our price</b>  <a href="Default2.aspx? id= <%#Eval("origanal_price") %>"> <%#Eval("origanal_price")%></a>
                                </td>
                               
                            </tr>
              
                        </table>
                       
                    </ItemTemplate>
                </asp:DataList>
            </td>
        </tr>
    </table>
</asp:Content>