Adding tabs and pageviews in codebehind

[Jason]

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;
        }
    }
}

[Jason]

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>

[Erjan Gavalji]

Hi Jason,

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

Kind regards,
Erjan Gavalji
the Telerik team

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[Peter]

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.

[Paul]

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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