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How to Add User Control in RadListBoxItem

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ComboBox and ListBox (obsolete as of Q2 2010)
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Jay Jose
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Jay Jose asked on 23 Sep 2009, 12:59 PM
Hi Guys,

I create a User Control (implements UserControl), is it possible to add it in ImageAndTextLayoutPanel and remove the other children?

RadListBoxItem item = new RadListBoxItem();
item.Text = "Title" + i;
item.DescriptionText = "Description with very long text";
ImageAndTextLayoutPanel layoutPanel = (ImageAndTextLayoutPanel)item.Children[2];

layoutPanel.Children.Remove(layoutPanel.Children[0]);
layoutPanel.Children.Remove(layoutPanel.Children[0]);

UserControl1 uc = new UserControl1();

something like this:
ayoutPanel.Children.Add(uc);

Thanks in advance.

Regards,
Jay           

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Nikolay
Telerik team
answered on 28 Sep 2009, 03:21 PM
Hi Jay Jose,

You do not need to remove the children elements from a RadListBoxItem in order to add a UserControl. You can directly add the UserControl (with the help of RadHostItem) to the RadListBoxItem. Please note that the Virtualizaiton of RadListBox should be turned off when you add user controls. In addition, a UserControl is a heavy object for a scrolling operation, so you may experience performance decrease while scrolling up and down.

If you have additional questions, feel free to contact me.

Greetings,
Nikolay
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ComboBox and ListBox (obsolete as of Q2 2010)
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Jay Jose
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Nikolay
Telerik team
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