How to show the Month Name in sorted order in drop down box sap design studio 1.6

HI All,

I have requirement where i need to show months in sorted order in drop down box in sap design studio 1.6(like January, February.....) I have Month_no object with values 1-12 and month with values January, February,March...., if i apply sorting on Month_no, months are getting sorted on order in edit initial view, but in dashboard when i bind month_name object to dropdwon box, sorting gets disturbed.(it sorted on text, like August, April...) my data source is s4 hana view. please help me to resolve this in design studio level.