Where <item type="double" value="200"/> and <item type="WString">GL24h</item> are the right stored values of "sp" and "CdRdl".
Where I try to load this xml my GridCtrl is correctly loaded but "sp" and "CdRdl" are missing...
There is something more to do when I try to store/load columns with Editable values in GridCtrl or maybe the problem is not there?!