asp.net中Repeart选中整行操作实例

<asp:Repeater runat="server" ID="rpt_Student">
            <HeaderTemplate>
                 <table>
                    <tr  id="tr_<%#this.rpt_Student.Items.Count%>" onclick='Tr_Click(tr_<%#this.rpt_Student.Item.Count%>)'>
                       <td>姓名</td>
                       <td>学号</td>
                       <td>成绩</td>
                    </tr>
            </HeaderTemplate>
            <ItemTemplate>
                     <tr >
                       <td><%#Eval("Sname")%></td>
                       <td><%#Eval("SID")%></td>
                       <td><%#Eval("Sscore")%></td>
                     </tr>
            </ItemTemplate>
            <FooterTemplate>
                </table>
            </FooterTemplate>
 </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>