Starting with version 16.2.7, we improved the selection behavior of ASPxGridListEditor. Currently, ASPxGridView does not re-render itself when selection is changed. See screenshots of the Network tab in Chrome Developer Tools (F12) that demonstrates how the size and time of a response in the Opportunity_ListView of the XCRM demo is reduced. The size and time of a response is reduced about 4 times and 35% respectively.
v16.2.6 and lower