ASPxCombobox - How to implement filtering of a large data source

This example demonstrates how to implement filtering of a large data source in ASPxCombobox.

To implement this functionality, handle the ASPxCombobox.ItemsRequestedByFilterCondition and ASPxCombobox.ItemRequestedByValue events. These events are used to filter data depending on a filtering expression or the ASPxCombobox' selected value.