https://supportcenter.devexpress.com/ticket/details/t363070/dxpopover-how-to-launch-a-popover-when-dxselectbox-item-is-clicked
dxPopover How to launch a popover when dxSelectBox item is clicked | DevExpress Support
Apr 4, 2016 - Greetings! My goal is to launch a dxPopover when a user clicks on "new". Please observe the image attachment.
how to launch