I liken this control to serving a quiche with a runny middle.
It has tons of potential, but falls short of the RadComboBox. I know I'm way over simplifying, but seems like all that had to be done was to add the ColumnsCollection as an alternative to the RadComboBox control. Didn't even need a new control, shrouded in kendo hocus pocus. It took me 4 hours of research to cobble together this as a way to just get the text value of a RadMultiColumnComboBox
sState = $find(
when this is all that should have been needed:
I want to embrace this control, but I feel like I'm a rat stuck in an elaborate labyrinth.