asp.net - how to assign unique id to a input text field in listview -


i need assign unique id input text field in listview. here code...

<asp:listview id="viewproductbycategorylistview" runat="server" groupitemcount="4"     groupplaceholderid="groupplaceholder1" itemplaceholderid="itemplaceholder1"     clientidmode="predictable"      clientidrowsuffix="id">     <layouttemplate>         <table>             <asp:placeholder runat="server" id="groupplaceholder1"></asp:placeholder>         </table>     </layouttemplate>     <grouptemplate>         <tr>             <asp:placeholder runat="server" id="itemplaceholder1"></asp:placeholder>         </tr>     </grouptemplate>     <itemtemplate>         <td>             <table cellpadding="2" cellspacing="0" style="width: 200px; height: 100px;">                 <tr>                     <td>                         <!--image , tooltip-->                         <div class="uiv2-list-box-img-block">                             <a href="../viewproductdetails.aspx?productid='<%# eval("id") %>'" title='<%# eval("product_description") %>'>                                 <%-- <img title="fresho onion - medium 1 kg approx. 10 12 nos"                                      alt="fresho onion - medium 1 kg approx. 10 12 nos"                                      src="~/picture.ashx?pic='<%# eval("productimage") %>' " />--%>                                 <asp:image runat="server" imageurl='<%# getimage(eval("productimage")) %>' height="150px"                                     width="150px" />                             </a>                         </div>                         <div>                             <span class="name" style="display: inline; text-overflow: ellipsis; overflow: hidden;">                                 <%# eval("productname") %></span>                         </div>                         <div class="uiv2-list-box-drop-rate-block">                             <!--to display unit price-->                             <div class="listbox_rate_count">                                 <div class="uiv2-rate-count-avial">                                     <span class="webrupee">rs.</span> <span>                                         <%# eval("unitprice") %>                                     </span>                                 </div>                             </div>                             <div class="uiv2-list-rate-block">                                 <div class="uiv2-add-to-basket">                                     <!--to display quantity-->                                     <div class="uiv2-rate-count-btn">                                         <span class="uiv2-qty-label">qty</span>                                         **<input value="1" type="text" maxlength="2" id="productidtextbox"/>**                                     </div>                                     <asp:button onclientclick='<%# string.format("return updatecart({0},this)", eval("id")) %>'                                         runat="server" text="add" />                                 </div>                             </div>                         </div>                     </td>                     <td style="border-left: 1px solid black; padding: 5px">                     </td>                 </tr>                 <tr>                     <td>                         <hr runat="server" />                     </td>                 </tr>             </table>         </td>     </itemtemplate> </asp:listview>

i have mark input field ** in above code want assign unique id. can 1 tell me what's wrong here.

after doing lot of hit , trial... found solution .... cannot use pure html control unique id feature in listview or asp.net server side control.


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