Filter months by using command button

[asyamonique]

Good Day!
In regards worksheet data's located in columns "A:D"
Column "A" has month entries which showing with "jan,feb,mar... etc"
Last Column "D" , has number values.
How can i filter column A data's by using command button and show in listbox
And total value of column "D" how can i calculate and show in textbox.
Many Thanks

 

[northwolves]

How about

listbox1.additem [sumif(a1:a65536,"Feb",c1:c65536)]

Regards
Northwolves