hello sir,

I want to Hide/unhide columns automatically when i select somthing in dropdown list.
For Example;

i want to hide unhide the column according to dropdown list month
e.g. i have dropdown list with Apr12 to March-13 and i have data from april-10 to till nov'12 in column wise . now when i selct the Oct-12 month in dropdown list than it show me data from July-12 to Oct-12 (only for 4 month data), and when select Nov'12 in dropdown list than it will hide July-12 month Column and unhide Nov-12 Month Column. and so on ...
is this possible.