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Adding tabs and pageviews in codebehind

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TabStrip
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Jason
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Jason asked on 15 Jun 2008, 04:54 AM
I'm stumbling once again. This time, I'm trying to dynamically add tabs and an associated pageview to when an item from a RadGrid is selected.

The tab is created and selected, however the text does not get set, nor does it appear that the pageview is created. I've verified with a radalert that the e.Item.OwnerTableView.DataKeyValues[e.Item.ItemIndex]["queueid"].ToString() does return a valid string.

What am I missing here?

protected void QueueGrid_ItemCommand(object source, GridCommandEventArgs e) 
    if (e.CommandName == "RowClick" && e.Item is GridDataItem) 
    { 
        if (RadTabStrip1.FindTabByText(e.Item.OwnerTableView.DataKeyValues[e.Item.ItemIndex]["queueid"].ToString()) == null) 
        { 
            RadTab tab1 = new RadTab(); 
            RadTabStrip1.Tabs.Add(tab1); 
 
            RadPageView newpage = new RadPageView(); 
            RadMultiPage1.PageViews.Add(newpage); 
            newpage.ID = e.Item.OwnerTableView.DataKeyValues[e.Item.ItemIndex]["queueid"].ToString(); 
            tab1.Text = e.Item.OwnerTableView.DataKeyValues[e.Item.ItemIndex]["queueid"].ToString(); 
            tab1.Value = e.Item.OwnerTableView.DataKeyValues[e.Item.ItemIndex]["queueid"].ToString(); 
            tab1.PageViewID = newpage.ID; 
            RadTabStrip1.SelectedIndex = RadTabStrip1.SelectedIndex + 1; 
            RadMultiPage1.SelectedIndex = RadMultiPage1.SelectedIndex + 1; 
        } 
    } 


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Jason
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answered on 16 Jun 2008, 11:19 PM
Turns out to be an issue with having a TabTemplate. If I remove the following, I can create tabs and pageviews dynamically. Once I add it back, it creates blank tabs.

<TabTemplate> 
    <%# DataBinder.Eval(Container, "Text") %> 
    <img style="margin-left: 10px" src="/images/delete.gif" alt="Delete tab" onclick="deleteTab('<%# DataBinder.Eval(Container, "Text") %>')" /> 
</TabTemplate> 

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Erjan Gavalji
Telerik team
answered on 17 Jun 2008, 12:30 PM
Hi Jason,

To have the text evaluated, you should call the DataBind() method of the RadTabStrip, e.g. RadTabStrip1.DataBind();

Kind regards,
Erjan Gavalji
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Peter
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answered on 23 Jul 2008, 02:25 AM
Hey, I have a question on this, how do I create the pageviews on runtime?  I am trying to do the same thing but I can't seem to find a way to generate a new pageview on runtime.
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Paul
Telerik team
answered on 28 Jul 2008, 11:14 AM
Hello Peter,

Please take a look at our Dynamic RadPageView online example for details on the matter.

All the best,
Paul
the Telerik team

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Jason
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Erjan Gavalji
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Peter
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Paul
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