Solving the Double Submission Issue

Question

I would like to see how Web Developers avoid the double submission problem. So basically my understanding of the problem is as follows:

Double submission occurs whe

Answer 1

If the form has an intention of providing an interface for saving some data in server dbms, you may use special revision field that is mandatory for submitted data. A check whether or not the submitted revision matches that of the latest version of the data in the database (or is that of a new piece of data to be inserted), could provide you with good control of what to do if several submits are made in sequence.