AspNetPager改ページコントロールUrlRewritePatternパラメータ設定の書き換えコード

<AspNet:AspNetPager ID="AspPages" runat="server" CustomInfoHTML=" %CurrentPageIndex%/%PageCount% ，  %PageSize% ， %RecordCount% "
                            FirstPageText="  " LastPageText="  " NextPageText="   " AlwaysShow="true" CssClass="PP"
                            CurrentPageButtonClass="cpb" PageIndexBoxType="DropDownList" PrevPageText="   "
                            ShowCustomInfoSection="Left" ShowPageIndexBox="Never" SubmitButtonText=" Go "
                            TextAfterPageIndexBox=" " PageSize="10" TextBeforePageIndexBox="  " Height="25px"
                            NumericButtonCount="4" Width="98%" CenterCurrentPageButton="True" CustomInfoTextAlign="Left"
                            HorizontalAlign="Right" OnPageChanged="AspPages_PageChanged" 
　　　　　　　　　　　　　　　　UrlRewritePattern="/Knowledge/Tag/%TagID%/%Category%/pv{0}" UrlPaging="True" EnableUrlRewriting="True">
   </AspNet:AspNetPager>
 

protected void AspPages_PageChanged(object sender, EventArgs e)
{
string TagID = GetRequest.GetString("TagID");
AspPages.UrlRewritePattern = string.IsNullOrEmpty(TagID) ? "/Knowledge/Tag/%TagID%/%Category%/pv1" : "/Knowledge/Tag/%TagID%/%Category%/pv{0}";
BindRptChateau(TagID);
}
<rewrite url="^/Knowledge/Tag/(\d+)/(\d+)/pv(\d+)$" to="~/Search/SearchKnowledgeTag.aspx?Keywords=$1&amp;TagID=$1&amp;Category=$2&amp;page=$3" processing="stop"></rewrite>