How to avoid duplicate submission in struts

Hi,
In my application i have a screen showing details of employee record like his name,address,work etc.. and a update button, here user has facility to update any thing on the scrren,but the thing worry to me is even though user hasn't changed an thing and press update button it inserts a record in the DB table.
So my question is any thing i can avoid thing by checking the Struts Form bean values before submitting using Bean utils?
I am using struts 1.3

user489749 wrote:
In my application i have a screen showing details of employee record like his name,address,work etc.. and a update button, here user has facility to update any thing on the scrren,but the thing worry to me is even though user hasn't changed an thing and press update button it inserts a record in the DB table.Well first up, it should probably be updating a record in the database rather than inserting it.
So my question is any thing i can avoid thing by checking the Struts Form bean values before submitting using Bean utils?Couldn't you add an updated flag (or possibly even better, a count)? Change a field, update the count, and then when the user presses the update button, check if the count is the same as it was last time s/he pressed update. You could possibly even grey out the button until a new update is discovered.
Winston

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