Hiding a column in WAD

I have a dropdown box for calendar year
Intitally when I run my webtemplate it should show me the values for all the years in the below format
Industry -
Value2006 -
Value2005
When I select from the dropdown value of the calendar year = 2006 then it should me only the values of 2006 & hide value of 2005 & when I select calendar year = 2005 then it should me only the values of 2005
Pls provide me the code for this in WAD 3.5
Thanks
SVR

SVR,
Your web item Drop Down box is linked to the data provider that is display the results?
If it is, surely when you make a selection from the Drop Down box the dataproviders associated with it (there can be more than one) will change automatically. You shouldn't need any additional code bar standard functionality?
Maybe I'm missing something in the query you are asking.
Regards
Gill

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