I get problem trying to fill K2DataGrid with XMLfield

Hi :D

Sorry to my English.

I meet with problem when I try to use K2DataGrid.

I need to fill this K2DataGrid from XMLfield of a proccess.

First I fill DataField property. Then I try input DataXPath property. I result in error "Invalid property value. Object reference not set to an instance of an object.". Any values get too error.

Help me!