we do have ValidCol(), so use it
we do have ValidCol(), so use it

Change-Id: I50d39f7022edcf851f299fc3589e43bf95f682b5

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core