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ArgumentOutOfRange Exception - Multiple Docks Issue

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localman asked on 14 Jan 2009, 02:14 AM

The above link takes you to a screen capture of the error im getting.  I've used the code from the example provided for dynamically loading/saving Dock's from a database.

I think I've narrowed the issue, but I'm not sure how to correct it.

What I've done is: For each type of dock I want to add, I have defined a ContentTemplate in an ascx (each one has their own ascx).

When a user clicks a linkbutton, one of the below 3 are triggered.
<asp:updatepanel runat="server" id="UpdatePanel1">  
        <asp:asyncpostbacktrigger controlid="AddType1DockLinkButton" eventname="Command" /> 
        <asp:asyncpostbacktrigger controlid="AddType2DockLinkButton" eventname="Command" /> 
        <asp:asyncpostbacktrigger controlid="AddType3DockLinkButton" eventname="Command" /> 

If, for instance, I trigger the AddType1DockLinkButton, it works fine and I can continue to click it and add as many as I want. But, as soon asI click one of the other types, it crashes.

I think it has something to do with either the AsyncPostBackTriggers or StartUpScripts that I'm registering.

Here's the code where I create the RadDock. (not the most beautiful at this point, I'm just trying to get it to work.

        private RadDock CreateRadDock(UIContent uiContent, int contentControlID)  
            RadDock dock = new RadDock();  
            // Use the ID from uiContent, which holds all contentcontrols.  
            dock.UniqueName = uiContent.ID.ToString(); //Guid.NewGuid().ToString();  
            dock.ID = string.Format("RadDock{0}", dock.UniqueName);  
            //dock.Text = string.Format("Added at {0}", DateTime.Now);  
            //dock.Width = Unit.Pixel(300);   
            dock.TitlebarContainer.Height = Unit.Pixel(35);  
            dock.EnableEmbeddedSkins = false;  
            dock.ContentContainer.Style.Add(HtmlTextWriterStyle.Overflow, "hidden");  
            switch (uiContent.ContentTypeID)  
                case 1:  
                    dock.Title = "Type1";  
                    dock.TitlebarTemplate = Page.LoadTemplate("~/UIControls/ContentTitleBar.ascx");  
                    dock.ContentTemplate = Page.LoadTemplate("~/contentcontrols/Type1.ascx");  
                case 2:  
                    dock.Title = "Type2";  
                    dock.TitlebarTemplate = Page.LoadTemplate("~/UIControls/ContentTitleBar2.ascx");  
                    dock.ContentTemplate = Page.LoadTemplate("~/contentcontrols/Type2.ascx");  
                case 3:  
                    dock.Title = "Type3";  
                    dock.Title = "Untitled";  
            DockCommand editCommand = new DockCommand();  
            editCommand.CssClass = "rdEdit";  
            editCommand.Text = "Edit Settings";  
            dock.Commands.Add(new DockCloseCommand());  
            dock.Commands.Add(new DockExpandCollapseCommand());  
            dock.Command += new DockCommandEventHandler(dock_Command);  
            return dock;  

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Nikolay Raykov
Telerik team
answered on 16 Jan 2009, 01:08 PM
Hi Shane,

I could not reproduce your problem. I made a test page with 3 Link Buttons which all trigger an asynchronous postback and dynamically add a new RadDock control.
For convenience, I attached a video in which you can see that everything is working OK and I am able to add docks without a problem.

I suggest to open a support ticket and send us a sample working version so we could be able to help you.

Nikolay Raykov
the Telerik team

Check out Telerik Trainer, the state of the art learning tool for Telerik products.
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