Concurrency and the
Imagine that two users open the same page for editing the records in the movies database table at the same time. By default, if the first user submits changes before the second user, the first user’s changes are overwritten. In other words, the last user to submit changes wins.
This default behavior of the
ObjectDataSource control can be problematic in an environment in which a lot of users work with the same set of data. You can modify this default behavior by modifying the
ConflictDetection property. This property accepts the following two values:
ObjectDataSource control to track both the original and new values of its parameters.