HI:

    I have done Paging on  " Datalist"    in   DotnetNuke.The Paging is working fine in the normal condition....But the Problem is If  i refresh the page  or press Control+F5      I cudn't get the current page. The Event occured before refresh the page is calling ,so that the page is incremented or decremented accordingly.So i have planned to use Ajax "UpdatePanel".After Using Updatepanel while running the page i got exception.Can any one tell  me how to solve this problem.I have attached my code below.

My Code:

 
                                           
                                      
                                  <asp:ScriptManager ID="ScriptManager1" runat="server">
                                                </asp:ScriptManager>
                                           
                                           
                                                <asp:UpdatePanel ID="UpdatePanel1" runat="server">
                                                <ContentTemplate>
                                           
                                    <table width="100%" class="border">
                                        <tr>
                                            <td style="height: 521px" align="center">
                                           
                                           
                                             
                                                <asp:DataList ID="dl1" runat="server" Width="100px" RepeatColumns="3" RepeatDirection="Horizontal"
                                                    BorderWidth="0px" BackColor="White" ForeColor="White">
                                                    <ItemTemplate>
                                                        <table border="0" width="99%">
                                                            <tr>
                                                                <td colspan="2" align="center" valign="top">
                                                                    <table>
                                                                        <tr>
                                                                            <td style="width: 100px">
                                                                                <asp:HyperLink runat="server" ID="cmdEdit2" ImageUrl="~/images/edit.gif" NavigateUrl='<%#EditUrl("ProdId",Eval("ProdId").ToString()) %>'
                                                                                    Visible="<%# IsEditable %>"></asp:HyperLink>
                                                                                <a href='<%# getTabId(Container.DataItem("ProdId"))%>'>
                                                                                    <asp:Image ID="imgProduct" Width="127" Height="136" runat="server" ImageUrl='<%# "~"+"\\"+"DesktopModules"+"\\"+"AftronProducts"+"\\"+"Images"+"\\"+(Eval("ProdImage"))%>' /></a>
                                                                            </td>
                                                                        </tr>
                                                                        <tr>
                                                                            <td align="center" style="width: 100px">
                                                                            </td>
                                                                        </tr>
                                                                        <tr>
                                                                            <td align="center" style="width: 100px">
                                                                            </td>
                                                                        </tr>
                                                                        <tr>
                                                                            <td align="center" style="width: 100px">
                                                                                <asp:Label ID="Label1" CssClass="Itemtext" runat="server" Text='<%#Eval("ProdModelNo")%>'></asp:Label>
                                                                            </td>
                                                                        </tr>
                                                                        <tr>
                                                                            <td align="center" style="height: 21px;width: 100px">
                                                                                <asp:Label ID="Label2" CssClass="Itemtext" runat="server" Text='<%#Eval("prodSpecific")%>'></asp:Label>
                                                                            </td>
                                                                        </tr>
                                                                    </table>
                                                                </td>
                                                                <td align="right" width="1%" valign="top" colspan="2">
                                                                    <asp:Panel ID="pnl" runat="server" BackColor="Silver" Height="230px" Width="1px">
                                                                    </asp:Panel>
                                                                </td>
                                                            </tr>
                                                            <tr align="center" valign="top">
                                                                <td colspan="2" align="center" valign="top" style="width: 257px">
                                                                    <hr style="width: 180px; height: 1px; color: Silver" />
                                                                </td>
                                                                <td>
                                                                </td>
                                                            </tr>
                                                        </table>
                                                    </ItemTemplate>
                                                    <ItemStyle CssClass="Itemtext" Wrap="True" />
                                                </asp:DataList>
                                            </td>
                                        </tr>
                                    </table>
                                </td>
                            </tr>
                            <tr runat="server" valign="top" width="100%" id="Tr1">
                                <td colspan="4" style="width: 659px">
                                    <table width="100%">
                                        <tr>
                                            <td align="right" style="width: 40%; height: 21px;">
                                                &nbsp;&nbsp;<asp:ImageButton CssClas="handOnNextPreview" ID="btnprev" runat="server"
                                                    OnClick="btnprev_Click" ImageUrl="~/DesktopModules/AftronProducts/Images/back.gif"
                                                    Width="36" Height="9" border="0" />&nbsp;&nbsp;&nbsp;&nbsp;</td>
                                            <td width="10%" align="center" style="height: 21px">
                                                <asp:Label ID="lbl_page" runat="server" Text="page" Style="font-family: verdena;
                                                    font-size: 12px; color: #555555;"></asp:Label>
                                                <asp:Label CssClass="Pageing" ID="lblpgnmr" runat="server"></asp:Label></td>
                                            <td width="40%" align="left" style="height: 21px; width: 40%;">
                                                <asp:ImageButton ID="btnnext" CssClas="handOnNextPreview" runat="server" OnClick="btnnext_Click"
                                                    ImageUrl="~/DesktopModules/AftronProducts/Images/next.gif" Width="38" Height="8"
                                                    hspace="15" border="0" />
                                            </td>
                                        </tr>
                                    </table>
                                   
                                   
                                    </ContentTemplate>
                                                </asp:UpdatePanel>

Although it appears that some of your markup code became "scrambled" in posting to the forum, I do see that you are declaritively adding a ScriptManager control. Since there can be only one ScriptManager control on a page and since other modules or the DNN framework itself may be adding one already to the page markup, I suspect that your error message is similar to: "Multiple controls with the same ID 'ScriptManager' . . . "

Rather than adding the ScriptManager control declaritively, include code such as the following in your module control:

If DotNetNuke.Framework.AJAX.IsInstalled Then
     DotNetNuke.Framework.AJAX.RegisterScriptManager()
End If

Regarding paging, it appears that you are implementing your own paging rather than using the dnn:pagingcontrol. Unless paging information is passed in the query string, refreshing the page or hiting F5 will always take you back to the initial page.

Sorry I forgot to mention that . . . the code can be placed in either the Page_Init or Page_Load handler. It needs to be called on each page request so do NOT place it within a "If Not Page.IsPostback . . . " conditional.