I am not using datasets. Am loading data into web page controls on first pass and using viewstate between posts. I have a datagrid that I've added a checkbox that is bound to a bool value - the datagrid is loaded with a datareader. The only actionable columns are the checkbox and a link column. I want to use a button on the form to update the database if the checkbox.checked property has changed (checked/unchecked).

I only want to write to the database if there is a change.

Is there a way in my codebehind to know if the value of the checkbox in the grid has changed? A reference to the old and new values?

I am making it work with an additional hidden column that is bound to the same field as the checkbox, but there must be a cleaner way, right?

Any help greatly appreciated,

~dab