Expression Issue

Hi Simon _ Hou

Thank you so much it the development procedure works completely fine . Is it possible to control the column visibility of the empty header column .

Please can you help in adding two static header over the existing columns months and months with difference one.

Static Header Months and Difference ...... over the existing 2 columns with Month data and month difference data.

kindly let me know if the requirement is not clear.

Thanks

Priya