如何将VS2005中DataList的FooterTemplate中的Id为lblCurrentPage的Label控件取出?

Question

如何将VS2005中DataList控件的FooterTemplate中的ID为lblCurrentPage的Label控件取出? 
我想往上边装值..

Answer 1

(DataList1.Controls[DataList1.Controls.Count - 1].FindControl("lblCurrentPage") as Label).Text = "abc";

Answer 2

指定的参数已超出有效值的范围。
参数名: index  为什么是这个样子的...

Answer 3

<%@ Page Language="C#" MasterPageFile="~/Back/back.master" AutoEventWireup="true" CodeFile="Back.aspx.cs" Inherits="Default3" Title="Untitled Page" %>
<asp:Content ID="Content1" ContentPlaceHolderID="cphMain" Runat="Server">
    <script type="text/jscript"> language="javascript">
      function GetAllCheckBox(CheckAll)
      {
        var items = document.getElementById("chAll");
        for(i = 0; i < items.length; i++)
        {
          if(items[i].type == "checkbox")
          {
            items[i].checked = CheckAll.checked;
          }
        }
      }
    </script>
    &nbsp;
    <div style="width: 111px; height: 21px">
    <asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="True" OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged1">
    </asp:DropDownList></div>
    <div style="width: 700px; height: 211px">
    <asp:DataList ID="DataList1" runat="server" BackColor="LightGoldenrodYellow" BorderColor="Tan"
        BorderWidth="1px" CellPadding="2" ForeColor="Black" style="font-size: 16px" OnItemCommand="DataList1_ItemCommand" >
        <HeaderTemplate>
            <table>
            </table>
                <tr>                
                    <td>
                    <asp:CheckBox Text="全选" runat="server" ID="chbAll"   AutoPostBack="true" OnCheckedChanged="chbAll_CheckedChanged"  />
                    </td>
                    <td>
                        编号</td>
                    <td>
                        用户名</td>
                    <td>
                        密码</td>
                    <td>
                        真实姓名</td>
                    <td>
                        邮箱</td>
                    <td>
                        地址</td>
                    <td>
                        角色</td>
                    <td>
                        状态</td>
                    <td style="width:40px;"></td>
                    <td visible="false"></td>
                </tr>
        </HeaderTemplate>
        <ItemTemplate>
            
            <tr>            
                <td><asp:CheckBox ID="chkSelect" runat="server"  /></td>
                <td>
                    <%# Eval("id") %>
                </td>
                <td>
                    <%# Eval("loginId") %>
                </td>
                <td>
                    <%# Eval("loginPassword") %>
                </td>
                <td>
                    <%# Eval("name") %>
                </td>
                <td>
                    <%# Eval("mail").ToString().Substring(0,10)+".." %>
                </td>
                <td>
                    <%# Eval("address").ToString().Substring(0,5)+".." %>
                </td>
                <td>
                    <%# Eval("userRole.name") %>
                </td>
                <td>
                    <%# Eval("userState.name") %>
                </td>
                <td align="center">
                    <asp:HyperLink ID="HyperLink1" runat="server" NavigateUrl='<%# Eval("id","DeleteUser.aspx?id={0}") %>'
                        Style="text-decoration: none;" >删除</asp:HyperLink></td>
                <td visible="false"><asp:Label runat="server" ID="flag" Visible="false" Text='<%# Eval("id") %>'></asp:Label></td>
                        
            </tr>
        </ItemTemplate>
        <FooterTemplate>
                <tr>
                    <td colspan="10">
                        当前是第<asp:Label runat="server"  ID="lblCurrentPage"></asp:Label>页
                        总共有<asp:Label runat="server" ID="lblMaxPage" ></asp:Label>页
                        <asp:HyperLink runat="server" Text="首页" ID="lbtnFirst"></asp:HyperLink>
                        <asp:HyperLink runat="server" Text="上一页" ID="lbtnPrevious"></asp:HyperLink>
                        <asp:HyperLink runat="server" Text="下一页" ID="lbtnNext"></asp:HyperLink>
                        <asp:HyperLink runat="server" Text="末页" ID="lbtnLast"></asp:HyperLink>
                    </td>
                </tr>
            </table>
        </FooterTemplate>
        <FooterStyle BackColor="Tan" />
        <AlternatingItemStyle BackColor="PaleGoldenrod" />
        <SelectedItemStyle BackColor="DarkSlateBlue" ForeColor="GhostWhite" />
        <HeaderStyle BackColor="Tan" Font-Bold="True" />
    </asp:DataList>
    <div style="width: 255px; height: 21px">
        &nbsp;<asp:LinkButton ID="lBtnDelete"  runat="server" style="border-top-style: none; border-right-style: none; border-left-style: none; border-bottom-style: none;text-decoration: none;" OnClick="lBtnDelete_Click1">删除</asp:LinkButton>
        <asp:DropDownList ID="ddlStateChange" runat="server" AutoPostBack="True" OnSelectedIndexChanged="ddlStateChange_SelectedIndexChanged" >
        </asp:DropDownList>
        <asp:Label ID="flag" runat="server" Text="0" Visible="False"></asp:Label></div>
        &nbsp;
    </div>
</asp:Content>

Answer 4

我的代码测试过没有问题..楼主输出DataList1.Controls[DataList1.Controls.Count - 1].GetType()
看类型是什么

Answer 5

怎么我的"DataList1.Controls.Count"的结果是0....