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HomeHomeDevelopment and...Development and...DNN Platform (o...DNN Platform (o...How to integrate AJAX code in DotNetNuke?How to integrate AJAX code in DotNetNuke?
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3/25/2009 3:17 PM
 
zied

Joined: 2/6/2009
Posts: 9

Hello every body

Please can someone tel me how can I integrate AJAX code in DNN modules?

I tried to do it by myself but the module didn't work and I recieved the following Error message:

Error: Ajax is currently unavailable.
DotNetNuke.Services.Exceptions.ModuleLoadException: Unable to cast object of type 'ASP.desktopmodules_ajax_ajax_ascx' to type 'DotNetNuke.Entities.Modules.PortalModuleBase'. ---> System.InvalidCastException: Unable to cast object of type 'ASP.desktopmodules_ajax_ajax_ascx' to type 'DotNetNuke.Entities.Modules.PortalModuleBase'. at DotNetNuke.UI.Skins.Skin.InjectModule(Control objPane, ModuleInfo objModule, PortalSettings PortalSettings) --- End of inner exception stack trace ---

I must say that the module works without DotNetNuke(Ajax is just the name of my module)

Please if you have any ideas about this type of situation give me your help because I really need it

Thank you for helping or even for reading!

zied
 
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3/25/2009 3:52 PM
 
Brian Dukes


Brian Dukes's Avatar

Brian Dukes's Avatar

www.engagesoftware.com
Joined: 8/25/2006
Posts: 896

To be used as a module in DNN, the control must inherit from DotNetNuke.Entities.Modules.PortalModuleBase.  That appears to be the issue you're running up against here.

Once you get that working, you should call DotNetNuke.Framework.AJAX.RegisterScriptManager to make sure that there is a ScriptManager on the page (don't add your own in the control).

Hope that helps,

Brian Dukes
Engage Software
St. Louis, MO
866-907-4002
DNN partner specializing in custom, enterprise DNN development.
 
New Post
3/25/2009 7:15 PM
 
zied

Joined: 2/6/2009
Posts: 9

Brian Dukes wrote

To be used as a module in DNN, the control must inherit from DotNetNuke.Entities.Modules.PortalModuleBase.  That appears to be the issue you're running up against here.

Once you get that working, you should call DotNetNuke.Framework.AJAX.RegisterScriptManager to make sure that there is a ScriptManager on the page (don't add your own in the control).

Hope that helps,

Thank you Brian for your help but I swear that I tried to find the solution since I recieved your answer but no way!!!

I know that you don't have so much time, but I hope if you give me the code behind that I should Write for this very simple code of Ajax.ascx file and I'll be really thankful!!!

<%@ Control Language="VB" AutoEventWireup="false" CodeFile="Ajaxl.ascx.vb" Inherits="DesktopModules_Ajax_Ajaxl" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server"> 
        <asp:ScriptManager ID="ScriptManager1" runat="server" />       
        <div>       
            <asp:UpdatePanel ID="UpdatePanel1" runat="server" >
                <ContentTemplate>           
                    Il est : <%=DateTime.Now.ToLongTimeString()%>           
                </ContentTemplate>           
                <Triggers>
                    <asp:AsyncPostBackTrigger ControlID="Timer1" EventName="Tick"  />
                </Triggers>           
            </asp:UpdatePanel>    
        </div>       
        <asp:Timer ID="Timer1" runat="server" Enableview_state="true" Enabled="true" Interval="1000">
        </asp:Timer>
    </form>
</body>
</html>
Tank you very much
 
New Post
3/26/2009 10:56 AM
 
Brian Dukes


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Brian Dukes's Avatar

www.engagesoftware.com
Joined: 8/25/2006
Posts: 896

You can only include Controls as DNN modules, not full .aspx pages.  So, first, you'll need to remove everything from the docytype to the ScriptManager, and also the closing for, body, and html tags at the bottom.

Then, in your code behind, make sure that your class (DesktopModules_Ajax_Ajaxl) Inherits PortalModuleBase.  Add a method that handles the Me.Init event, and call AJAX.RegisterScriptManager() in that method.

Hope that helps,

Brian Dukes
Engage Software
St. Louis, MO
866-907-4002
DNN partner specializing in custom, enterprise DNN development.
 
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