RadDataPager for ASP.NET AJAX
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RadControls for ASP.NET AJAX

SEO paging of RadDataPager gets better results on search engines. In order to use SEO paging of the RadDataPager control you need to set the AllowSEOPaging property to True. When it is False (its default value), the RadDataPager does not use SEO paging.

In addition, you can specify the query page key for the grid that is used as part of the page query by setting the SEOPagingQueryPageKey property. This is useful when the data pager resides in several containers and its id becomes too long and not very readable. Using SEOPagingQueryPageKey property you get much more search engine optimized links to the other pages.

CopyASPX
<telerik:RadListView runat="server" ID="RadListView1" DataSourceID="SqlDataSource1"
    DataKeyNames="CustomerID" AllowPaging="true" PageSize="7" ItemPlaceholderID="itemPlaceholder">
    <LayoutTemplate>
        <table style="width: 870px; background-color: #D9DFDF;">
            <tr>
                <th id="Th1" runat="server">
                    CustomerID
                </th>
                <th id="Th2" runat="server">
                    CompanyName
                </th>
                <th id="Th3" runat="server">
                    ContactName
                </th>
                <th id="Th4" runat="server">
                    ContactTitle
                </th>
            </tr>
            <tr runat="server" id="itemPlaceholder" />
        </table>
        <fieldset style="text-align: center; background-color: #D9DFDF; width:850px">
            <telerik:RadDataPager ID="RadDataPager1" runat="server" SEOPagingQueryPageKey="CurrentPageKey"
                PagedControlID="RadListView1" AllowSEOPaging="true" PageSize="7">
                <Fields>
                    <telerik:RadDataPagerButtonField FieldType="FirstPrev" />
                    <telerik:RadDataPagerButtonField FieldType="Numeric" />
                    <telerik:RadDataPagerButtonField FieldType="NextLast" />
                    <telerik:RadDataPagerTemplatePageField>
                        <PagerTemplate>
                            <div style="float: right">
                                <b>Items
                                    <asp:Label runat="server" ID="CurrentPageLabel" Text="<%# Container.Owner.StartRowIndex + 1 %>" />
                                    to
                                    <asp:Label runat="server" ID="TotalPagesLabel" Text="<%# Container.Owner.StartRowIndex + Container.Owner.PageSize %>" />
                                    of
                                    <asp:Label runat="server" ID="TotalItemsLabel" Text="<%# Container.Owner.TotalRowCount %>" />
                                    <br />
                                </b>
                            </div>
                        </PagerTemplate>
                    </telerik:RadDataPagerTemplatePageField>
                </Fields>
            </telerik:RadDataPager>
        </fieldset>
    </LayoutTemplate>
    <EmptyDataTemplate>
        <legend>Customers</legend>No records for customers are available at this time.
    </EmptyDataTemplate>
    <AlternatingItemTemplate>
        <tr id="Tr2" runat="server" bgcolor="#ccffff">
            <td>
                <asp:Label ID="CustomerID" runat="Server" Text='<%#Eval("CustomerID") %>' />
            </td>
            <td valign="top">
                <asp:Label ID="CompanyName" runat="Server" Text='<%#Eval("CompanyName") %>' />
            </td>
            <td valign="top">
                <asp:Label ID="ContactName" runat="Server" Text='<%#Eval("ContactName") %>' />
            </td>
            <td valign="top">
                <asp:Label ID="ContactTitle" runat="Server" Text='<%#Eval("ContactTitle") %>' />
            </td>
        </tr>
    </AlternatingItemTemplate>
    <ItemTemplate>
        <tr id="Tr2" runat="server" bgcolor="#99ccff">
            <td>
                <asp:Label ID="CustomerID" runat="Server" Text='<%#Eval("CustomerID") %>' />
            </td>
            <td valign="top">
                <asp:Label ID="CompanyName" runat="Server" Text='<%#Eval("CompanyName") %>' />
            </td>
            <td valign="top">
                <asp:Label ID="ContactName" runat="Server" Text='<%#Eval("ContactName") %>' />
            </td>
            <td valign="top">
                <asp:Label ID="ContactTitle" runat="Server" Text='<%#Eval("ContactTitle") %>' />
            </td>
        </tr>
    </ItemTemplate>
</telerik:RadListView>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>"
    ProviderName="System.Data.SqlClient" 
    SelectCommand="SELECT [CustomerID], [CompanyName], [ContactName], [ContactTitle], [Address] FROM [Customers]" />

In case you need to set the paging settings programmatically, you have to do it on an early stage from the page life cycle. Hence, you can use the Page_PreInit or the Init event handler of the pager: