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Programmatically adding an item to a databound, templated ComboBox

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Paul Hopper
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Paul Hopper asked on 10 Sep 2008, 07:55 PM
I have a ComboBox with a template defined at design-time.  The control is bound to a SqlDataSource, also defined at design-time.  What I want to do is insert an item after the control is bound to the datasource (so, in the OnDataBound event).

I can insert a new item, but this new item doesn't contain any of the additional fields/values that the databound items have.  I thought I could add the fields as attributes, but that didn't work.  I'm sure this must be possible, but cannot figure it out or find the solution... what's the trick?

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Yana
Telerik team
answered on 15 Sep 2008, 08:46 AM
Hello Paul,

I suggest you use DataItem property of RadComboBox items and assign to it an object with the needed properties. I've attached a small demo project which shows this approach. Please download it and give it a try.

Kind regards,
Yana
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