Updating data in datagrid

Question

Hi,

I am displaying a datagrid with data from a table with some 60 fields.And I can do deletion,updation from the grid.I am having a seperate class which has a method to update data into database.If I want to update only 2 fileds among the 60 fields,then how can I do this.shall I need to pass all the parameters.?

plzz reply..

thanks,
Ranjith