Thank you for writing.
does not support load on demand out of the box. You can achieve some kind of a lazy loading using the CellEditorInitialized
event and setting up the RadMultiColumnComboBoxElement
. In order to detect when the user starts typing in the editable area, you can subscribe to the RadMultiColumnComboBoxElement
event and perform the desired actions. I think that our Performance Boost with Virtual RadMultiColumnComboBox - Quick Loading and Fast Filtering using Trie
KB article would be quite useful about the specific case.
We kindly ask you to post your technical questions/problems in the support ticketing system (http://www.telerik.com/account/support-tickets/available-support-list.aspx
) as this is the best way to reach our support staff - the support system assigns a response time for all of your questions, depending on your license and ensures that all questions will reach the respective developers, if needed. Alternatively, you can ask the community for help by posting your question in the online forums (http://www.telerik.com/community/forums.aspx
Check out Telerik Analytics, the service which allows developers to discover app usage patterns, analyze user data, log exceptions, solve problems and profile application performance at run time. Watch the videos
and start improving your app based on facts, not hunches.