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Events

Updated on Sep 15, 2025

This article lists the events specific for RadAutoSuggestBox.

TextChanged: Occurs on each change in the text of the TextBoxt part of the control. The event arguments are of type TextChangedEventArgs and expose the following members:
- Reason: A property of type TextChangeReason that allows you to identify how the text was changed - Programmatic, via UserInput or on SuggestionChosen.
  
  Example 1: TextChanged event handler
  C#
```
	private void RadAutoSuggestBox_TextChanged(object sender, TextChangedEventArgs e)
	{
		if (e.Reason == TextChangeReason.UserInput)
		{
			this.radAutoSuggestBox.ItemsSource = MyGetFilteredItems(this.radAutoSuggestBox.Text);
		}            
	}
```
QuerySubmitted: Occurs when the user submits a query. This happens on the following occassions - Enter press while the control is focused and the drop down is opened, a click over the query button or choosing suggestion from the drop down list. The event arguments are of type QuerySubmittedEventArgs and expose the following members:
- QueryText: A property that holds the currently searched text.
- Suggestion: A property of type object, that holds a reference to the chosen suggestion. If no suggestion was selected the property value is null.
  
  Example 2: QuerySubmitted event handler
  C#
```
	private void RadAutoSuggestBox_QuerySubmitted(object sender, QuerySubmittedEventArgs e)
	{     
	}
```
SuggestionChosen: Occurs when a suggestion is chosen from the drop down list. The event arguments are of type SuggestionChosenEventArgs and expose the following members:
- Suggestion: A property of type object, that holds a reference to the chosen suggestion.
  
  Example 3: SuggestionChosen event handler
  C#
```
	private void RadAutoSuggestBox_SuggestionChosen(object sender, SuggestionChosenEventArgs e)
	{    
	}
```

Events

See Also