WebComboClientSideEvents Properties
| OnBeforeRequest | Description Specifies the client-side function to be invoked when a request is about to be made. ValueType string Default Value - |
| OnResponse | Description Specifies the client-side function to be invoked when a response is returned from the server. ValueType string Default Value - |
| OnBeforeItemSelected | Description Specifies the client-side function to be invoked when an item is about to be selected. ValueType string Default Value - |
| OnAfterItemSelected | Description Specifies the client-side function to be invoked after an item is selected. This event is similar to the SelectedIndexChanged of a regular DropDownList control. ValueType string Default Value - |
| OnError | Description Specifies the client-side function to be invoked when an error response is received from the server. ValueType string Default Value - |
| OnLostFocus | Description Specifies the client-side function to be invoked when the the control loses its focus. ValueType string Default Value - |
| OnAddItem | Description Specifies the client-side function to be invoked when an item is about to be added. ValueType string Default Value - |
| OnUnhandledError | Description Specifies the client-side function to be invoked when an unhandled error happens. ValueType string Default Value - |
| OnInitialize | Description Specifies the client-side function to be invoked when WebCombo is being initialized. ValueType string Default Value - |
| OnMatchInstantLookup | Description Specifies the client-side function to be invoked when a perfect match is found when using InstantLookup EntryMode. ValueType string Default Value - |
| OnActionDispatched | Description Specifies the client-side function to be invoked when a successful response to an event is received from the server. ValueType string Default Value - |
| OnAfterResponseProcess | Description Specifies the client-side function to be invoked after a response is received from the server irregardless of an error happening or not. ValueType string Default Value - |
| OnKeyDown | Description Specifies the client-side function to be invoked when a keypress is made on the combo. ValueType string Default Value - |
| OnShowDropDown | Description Specifies the client-side function to be invoked when the result box of a combo is being shown. ValueType string Default Value - |
| OnValueItemContextMenu | Description Specifies the client-side function to be invoked when the context menu of a WebComboValueItem is about to be shown. This event will be invoked only when the MultipleSelection mode is enabled. ValueType string Default Value - |
| OnValueItemNotInList | Description Specifies the client-side function to be invoked after the combo loses its focus and when the entered value item is not in the result box list. ValueType string Default Value - |