Am using repeater control to load product images and I wanted to pass prod_id in query string?

See more:

ASP.NET

HTML

C#3.5

Am trying to send value of product id which is inside repeater control from query string but when
i click on button it only passes first value and other values of product id not passed .
Please have a look in code and suggest me solution

<asp:Repeater ID="productdetailsauto" runat="server">
      <HeaderTemplate></HeaderTemplate>
      <itemtemplate>
     <!-- Products Single Box -->
     <li class="span3">
       <div class="thumbnail">
         <a href="#" class="thumb"><img src='data:image/gif;base64,<%#Eval("img64") %>' alt="Product" /></a>
         <p><a href="#"><%#Eval("Product_Name")%></a></p>
         <p class="price"><span>2</span></i__^^__i class="icon-star"__^<span>3</span>^__i class="icon-star-half-empty"><span>4</span>^__i class="icon-star-empty"><span>5</span></p>
         <input id="btnaddtocart" type="button" value="Add to Cart" class="btn" onclick="Redirect2()"/>
         <input id="hidproduct2" type="text"  value='<%#Eval("Product_Id")%>' />
          <script type="text/javascript">
              function Redirect2() {
                  var t2 = document.getElementById("hidproduct2").value;
                  window.location = 'productdetails.aspx?t2=' + t2;
                  t2 = "";
              }
   </script>
         <a href="#" class="add-list">^__i class="icon-star">Wish List</a><a href="#" class="add-comp">^__i class="icon-tasks">Compare</a><span class="new">New</span></div>
     </li>
     </itemtemplate>