ListView DataPager asp.net 太强大

        <asp:ListView ID="ListView1" runat="server" DataSourceID="SqlDataSource1">
            <LayoutTemplate>
                <table border="1">
                    <thead>
                        <tr>
                            <th>
                                SvrNum
                            </th>
                            <th>
                                Marks
                            </th>
                            <th>
                                Release Date
                            </th>
                        </tr>
                    </thead>
                    <tbody>
                        <asp:PlaceHolder runat="server" ID="itemPlaceholder"  />
                    </tbody>
                </table>
                
                <div>
                    <asp:DataPager ID="DataPager1" runat="server" PageSize="1" QueryStringField="page" >
                        <Fields>
                            <asp:NumericPagerField />
                        </Fields>
                    </asp:DataPager>
                </div>
                
            </LayoutTemplate>
            <ItemTemplate>
                <tr>
                    <td>
                        <%# Eval("SvrNum")%>
                    </td>
                    <td>
                        <%# Eval("Marks")%>
                    </td>
                    <td>
                        &nbsp;
                    </td>
                </tr>
            </ItemTemplate>            
        </asp:ListView>
        
        <asp:SqlDataSource ID="SqlDataSource1" runat="server" 
            ConflictDetection="CompareAllValues" 
            ConnectionString="<%$ ConnectionStrings:testConnectionString %>" 
            DeleteCommand="DELETE FROM [Log_Member_Marks] WHERE [ID] = @original_ID AND [SvrNum] = @original_SvrNum AND [Marks] = @original_Marks" 
            InsertCommand="INSERT INTO [Log_Member_Marks] ([SvrNum], [Marks]) VALUES (@SvrNum, @Marks)" 
            OldValuesParameterFormatString="original_{0}" 
            SelectCommand="SELECT * FROM [Log_Member_Marks]" 
            UpdateCommand="UPDATE [Log_Member_Marks] SET [SvrNum] = @SvrNum, [Marks] = @Marks WHERE [ID] = @original_ID AND [SvrNum] = @original_SvrNum AND [Marks] = @original_Marks">
            <DeleteParameters>
                <asp:Parameter Name="original_ID" Type="Int64" />
                <asp:Parameter Name="original_SvrNum" Type="Int64" />
                <asp:Parameter Name="original_Marks" Type="Double" />
            </DeleteParameters>
            <UpdateParameters>
                <asp:Parameter Name="SvrNum" Type="Int64" />
                <asp:Parameter Name="Marks" Type="Double" />
                <asp:Parameter Name="original_ID" Type="Int64" />
                <asp:Parameter Name="original_SvrNum" Type="Int64" />
                <asp:Parameter Name="original_Marks" Type="Double" />
            </UpdateParameters>
            <InsertParameters>
                <asp:Parameter Name="SvrNum" Type="Int64" />
                <asp:Parameter Name="Marks" Type="Double" />
            </InsertParameters>
        </asp:SqlDataSource>

<asp:ListView ID="_groupListView" runat="server"
  DataKeyNames="movie_id" DataSourceID="_moviesDataSource"
  GroupItemCount="4" >
  <GroupTemplate>
    <tr>
      <asp:PlaceHolder runat="server" ID="itemPlaceholder" />
    </tr>
  </GroupTemplate>
  <LayoutTemplate>
    <table>
      <asp:PlaceHolder ID="groupPlaceholder" runat="server" />
    </table>
  </LayoutTemplate>
  <ItemTemplate>
    <td>
      movie_id:
      <asp:Label ID="_movie_idLabel" runat="server"
        Text='<%# Eval("movie_id") %>' /> <br />
      title:
      <asp:Label ID="_titleLabel" runat="server"
        Text='<%# Eval("title") %>' /> <br />
      release_date:
      <asp:Label ID="_release_dateLabel" runat="server"
        Text='<%# Eval("release_date", "{0:d}") %>' /> <br />
      <br />
    </td>
  </ItemTemplate>
</asp:ListView>