The height of the virtual item. All items in the virtualized list must have the same height. If
virtual-item-height is not specified, the framework will automatically set
itemHeight based on the current theme and font size.
As of the Kendo UI R3 2016 release, you can determine if the
valueMapper will resolve a value to an index or to a data item by using the
The supported values by
index—Does not affect the current virtualization process. For more information, refer to the article on virtualization.
The DropDownList calls the
valueMapper function when it receives a value which is not fetched from the remote server yet. The DropDownList will then pass the selected values in the
valueMapper function and, in turn, the
valueMapper implementation will return the indices of the respective data items.
As of the Kendo UI R3 2016 release, the implementation of the
valueMapperfunction is optional and is only required if the DropDownList contains an initial value or uses the