1  <asp:Repeater runat="server" ID="rpt_Student"> 2             <HeaderTemplate> 3                  <table> 4                     <tr  id="tr_<%#this.rpt_Student.Items.Count%>" onclick=‘Tr_Click(tr_<%#this.rpt_Student.Item.Count%>)‘> 5                        <td>姓名</td> 6                        <td>学号</td> 7                        <td>成绩</td> 8                     </tr> 9             </HeaderTemplate>10             <ItemTemplate>11                      <tr >12                        <td><%#Eval("Sname")%></td>13                        <td><%#Eval("SID")%></td>14                        <td><%#Eval("Sscore")%></td>15                      </tr>16             </ItemTemplate>17             <FooterTemplate>18                 </table>19             </FooterTemplate>20  </asp:Repeater> 

<script  type="text/javascript">>          function Tr_Click(id) {            if ($("#" + id).attr("style") == "background:red") {                  $("#" + id).attr("style", "background:white");            } else {                  $("#" + id).attr("style", "background:red");            }        }</script>