Empty Collection Message

2 posts, 0 answers
  1. Rayne
    Rayne avatar
    261 posts
    Member since:
    Sep 2010

    Posted 13 Sep 2011 Link to this post

    Is there a way to display a message to the user when the bound collection is empty?
    I was able to add a custom class to do this for the GridView, but I need to be able to do this with the Tab Control. Right now, it just appears to be blank and I'd like to display a message informing the user on how to create the collection.
  2. Tina Stancheva
    Tina Stancheva avatar
    3299 posts

    Posted 16 Sep 2011 Link to this post

    Hi Rayne,

    I am not sure I understand your scenario correctly and I might be missing in what environment you need to implement it. However, if you handle the RadTabControl.Loaded event you can display a message containing additional information about the ItemsSource collection of the control and how it can be defined:
    private void RadTabControl_Loaded(object sender, RoutedEventArgs e)
        RadTabControl tabControl = sender as RadTabControl;
        if ((tabControl.ItemsSource as IList).Count == 0)
            RadWindow.Alert("Enter ItemsSource");
    Is this close to what you have in mind?

    All the best,
    Tina Stancheva
    the Telerik team

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