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Control with callbacks inside RadWindow

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ezequiel
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ezequiel asked on 30 Oct 2019, 07:09 PM

Hi,

I have a control (PDFViewer) that make callbacks on save, download, etc.., and i manage this events in server side.

The control in isolation works well, I receive the events on the server. But when I place it inside a RadWindow or a RadSplitter I stop receiving the events on the server.

Any idea what the problem might be? Thanks!

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Vessy
Telerik team
answered on 04 Nov 2019, 10:03 AM

Hi Ezequiel,

Can you, please, elaborate a bit on the exact scenario in which the described problem occurs? How do you initiate the callbacks? Is the content of the RadWindow/RadSplitter updated via AJAX? If so, can you disable the AJAX and see if the problem persists?

https://www.telerik.com/support/kb/aspnet-ajax/ajaxmanager/details/placeholder-is-not-updated-by-radajaxmanager

 

If this is not the case, please, send me a simplified version of your project where I can reproduce the issue and examine the exact setup leading to it. You can see how to prepare such easily here:

https://www.telerik.com/blogs/isolating-a-problem-in-a-sample-project

Regards,
Vessy
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ezequiel
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answered on 06 Nov 2019, 12:00 AM

Hi, thanks for reply

I'm using the control RadPDF (https://www.radpdf.com/). 

The problem mentioned persists, but they gave me another way to do it without using those events, with a PdfIntegrationProvider.

Now I have another problem, when I pass the parameter OnClientLoad = "initRadPdf (); to the control radPDF, the function is never invoked.
If I put the radPDF out of all telerik controls it works fine.

This is the simplified code. That user control, is within a RadMultiPage with RenderSelectedPageOnly = false.

<%@ Control Language="C#" AutoEventWireup="true" CodeFile="Accounts.ascx.cs" Inherits="Accounts" %>
<%@ Register Assembly="RadPdf" Namespace="RadPdf.Web.UI" TagPrefix="radPdf" %>

<telerik:RadPersistenceManagerProxy ID="RadPersistenceManagerProxy1" runat="server">
    <PersistenceSettings>
        <telerik:PersistenceSetting ControlID="grdAccounts" />
    </PersistenceSettings>
</telerik:RadPersistenceManagerProxy>

<telerik:RadCodeBlock runat="server" ID="RadCodeBlock1">   
    <script type="text/javascript">       

        var currentLoadingPanel = null;
        var currentUpdatedControl = null;
        function RequestStart(sender, args) {                      
            currentLoadingPanel = $find("AccountsCtrl1_RadAjaxLoadingPanelAccounts");            
            currentUpdatedControl = "AccountsCtrl1_grdAccounts";
            //show the loading panel over the updated control
            if (currentLoadingPanel != null && currentUpdatedControl!=null)
                currentLoadingPanel.show(currentUpdatedControl);
         }

        function ResponseEnd() {
            console.log('Accounts ResponseEnd');
             //hide the loading panel and clean up the global variables
             if (currentLoadingPanel != null)
                 currentLoadingPanel.hide(currentUpdatedControl);
             currentUpdatedControl = null;
             currentLoadingPanel = null;
         }
    </script>
</telerik:RadCodeBlock>

<telerik:RadAjaxManagerProxy ID="RadAjaxManager1" runat="server">
    <AjaxSettings>
        <telerik:AjaxSetting AjaxControlID="RadAjaxManager1">
            <UpdatedControls>
                <telerik:AjaxUpdatedControl ControlID="mpAccounts" UpdatePanelHeight="100%" />
                <telerik:AjaxUpdatedControl ControlID="grdBPPAccounts" />
                <telerik:AjaxUpdatedControl ControlID="grdAccounts" />
            </UpdatedControls>
        </telerik:AjaxSetting>

        <telerik:AjaxSetting AjaxControlID="mpAccounts">
            <UpdatedControls>
                <telerik:AjaxUpdatedControl ControlID="grdBPPAccounts" />
                <telerik:AjaxUpdatedControl ControlID="grdAccounts" />
            </UpdatedControls>
        </telerik:AjaxSetting>
        <telerik:AjaxSetting AjaxControlID="RadMenu1">
            <UpdatedControls>             
            </UpdatedControls>
        </telerik:AjaxSetting>                
    </AjaxSettings>

</telerik:RadAjaxManagerProxy>


<telerik:RadAjaxLoadingPanel ID="RadAjaxLoadingPanelAccounts" runat="server" Skin="Office2010Blue"
    IsSticky="true" Style="position: absolute; top: 0; left: 0; height: 100%; width: 100%;">
</telerik:RadAjaxLoadingPanel>

<div id="MainDiv" style="width: 100%; height: 100%">

    <telerik:RadSplitter runat="Server" ID="RadSplitter1" Width="100%" BorderSize="0"
        BorderStyle="None" PanesBorderSize="0" Height="50%" Orientation="Horizontal"
        VisibleDuringInit="false" Skin="Office2010Blue" LiveResize="True">

        <telerik:RadPane ID="menuPane" runat="server" BorderWidth="0px" Scrolling="None" Height="26px">
            <telerik:RadMenu ID="RadMenu1" runat="server" Skin="Office2010Blue" Width="100%">
                <Items>
                     <!-- items -->
                </Items>
            </telerik:RadMenu>
        </telerik:RadPane>

        <telerik:RadPane ID="TopPane" runat="server" BorderWidth="0px" Height="50%" Width="100%" Scrolling="X">
            <telerik:RadMultiPage ID="mpAccounts" runat="server" SelectedIndex="0" Height="100%" Width="100%" RenderSelectedPageOnly="True">
                <telerik:RadPageView ID="bpp" runat="server" Width="100%" Height="100%">                    
                        <!-- RadGrid grdAccounts -->                      
                </telerik:RadPageView>

                <telerik:RadPageView ID="accounts" runat="server" Width="100%" Height="100%">
                    <asp:Button ID="btnUnFreezeColumn" runat="server" Text="" OnClick="btnUnFreezeColumn_Click" Height="1" Width="1" CssClass="hiddenElement" />
                    <!-- RadGrid -->
                </telerik:RadPageView>
            </telerik:RadMultiPage>

        </telerik:RadPane>
    </telerik:RadSplitter>   

    <script type="text/javascript">
            var api = null;
            var isDownload = false;

            function initRadPdf() {
                console.log('Init Api RadPDF');
                // Get id
                var id = "<%= PdfWebControlLite1.ClientID%>";
                // Get api instance
                api = new PdfWebControlApi(id);
                
                api.addEventListener(
                    "saved",
                    function (evt) {
                        // We don't want to show this prompt if we initiated a download
                        if (!isDownload) {
                        }
                    }
                );
            }
    </script>  

    <telerik:RadWindowManager ID="RadWindowManager1" runat="server" Skin="Office2010Blue"
        EnableViewState="False" Overlay="True">
        <Windows>
            <telerik:RadWindow ID="RadPDFWindow" runat="server"
                Skin="Office2010Blue" Style="display: none;" Title="AOA"
                DestroyOnClose="True" Behaviors="Close"
                InitialBehaviors="Maximize"
                Modal="True" VisibleStatusbar="False">
                <ContentTemplate>                 
<button onclick="test();if(api){isDownload=false;api.save();}return false;">Save</button><br />
<asp:Label ID="RadPDFFileUrl" runat="server" Visible="false"></asp:Label>
                            <radPdf:PdfWebControlLite id="PdfWebControlLite1" runat="server"  height="600px" width="100%"                                 
                                OnClientLoad="initRadPdf();" 
                                />
                        
                </ContentTemplate>
            </telerik:RadWindow>
        </Windows>
    </telerik:RadWindowManager>
</div>


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ezequiel
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answered on 06 Nov 2019, 04:17 PM
Hi, I already found another solution. Instead of using the RadWindows ContentTemplate, create a new asp page and show it with NavigateUrl. Thanks!
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Vessy
Telerik team
answered on 07 Nov 2019, 12:40 PM

Hi,

Thank you for the update, ezequiel - i am glad you have found a solution that is applicable to your scenario.

Let us know should any further question regarding our controls occur.

Regards,
Vessy
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