Buttons to Input Box

[#1]

hi..

I have a bellow structure

what my requirement is ..

I give the values on input box after that if I click the top button the chart shows the top customer based on values which is I given and if I click bottom button it will shows least customer based on input box values ex:(I give 3 on input box and click top button the chart show Top 3 customer)

How can i do this..

[sunny_talwar]

Would you be able to share a sample to look work with?