asp.net关于Repeater控件中的全选，批量操作

  <script type="text/javascript">　　　　  function SelectAll(parentChk, ChildId, bigControlID) {              var oElements = document.getElementsByTagName("INPUT");              var bIsChecked = parentChk.checked;               for (i = 0; i < oElements.length; i++) {                     if (IsCheckBox(oElements[i]) && IsMatch(oElements[i].id, ChildId, bigControlID)) {                        oElements[i].checked = bIsChecked;                      }                   }                }
         function IsMatch(id, ChildId, controlID) {             var sPattern = '^' + controlID + '_+.*' + ChildId + '$';             var oRegExp = new RegExp(sPattern);             if (oRegExp.exec(id))                return true;             else                return false;             }        function IsCheckBox(chk) {               if (chk.type == 'checkbox') return true;               else return false;            }   </script>    <asp:Repeater ID="Repeater_xx" runat="server">               <HeaderTemplate>                         <table>                               <tr>                                     <th>选项</th>                                     <th>数据</th>                               </tr>               </HeaderTemplate>               <ItemTemplate>                               <tr>                                    <td>                                         <asp:CheckBox ID="CheckBox_ID" runat="server" Checked="false" />                                    </td>                                    <td>                                         <asp:Label runat="server" ID="Label_ID" Text='<%#Eval("Label_ID")%>'></asp:Label>                                    </td>                                <tr>              </ItemTemplate>              <FooterTemplate>                        </table>              </FooterTemplate>    </asp:Repeater>               <asp:CheckBox runat="server" ID="CheckBoxCz" Text="全选/反选" onclick='SelectAll(this,"CheckBox_ID","Repeater_xx")'/>

      <input class="anniu" id="input_gs" type="submit" runat="server" onserverclick="Gssubmit_Click" value="操作" />

 public void Gssubmit_Click(object sender, EventArgs e)  {        for (int i = 0; i < Repeater_xx.Items.Count; i++)          {                 //获取复选框                 CheckBox cb = (CheckBox)rpt_Paper.Items[i].FindControl("CheckBoxCz");                 //判断是否被选中                 if(cb != null && cb.Checked == true)                 {                   Label id = (Label)rpt_Paper.Items[i].FindControl("Lable_ID");                   //获取该行ID                   int ID= Convert.ToInt32(Id.Text);                  //相应操作                    ......                 }          }    }