Using a similar example, How do you retrieve the index of something that exists
answered on 09 Jan 2014, 08:23 AM
In order to find the index of the desired Item you could use again a simple Linq expression. Please check the following code snippet:
var item = this.Combo.Items.FirstOrDefault(i => (i as RadComboBoxItem).Content.ToString() == "value");
if (item != null)
int indexOfItem = this.Combo.Items.IndexOf(item);
Hope this helps.
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