RadComboBox supports a number of server-side events that let you respond to events with complex actions that can't be performed in client-side code.

  • ItemsRequested occurs when the load-on-demand mechanism needs to add items to the combobox.

  • ItemCreated occurs when a new item is added to the Items collection.

  • ItemDataBound occurs for each item when it is being bound to a data value.

  • SelectedIndexChanged occurs when the selected item has just changed.

  • TextChanged occurs when the text in the input area has been changed.

  • ItemChecked occurs when a checkbox is checked/unchecked.

  • CheckAllCheck occurs when the check all items check box is changed.

The SelectedIndexChanged , TextChanged and OnCheckAllCheck events do not fire unless you set the AutoPostBack property to True .

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