Or, between when a user loads a page and when they click the Delete button, another user may have modified the contents of that record.There are three concurrency control strategies available: All of our tutorials thus far have used the default concurrency resolution strategy - namely, we've let the last write win.A Grid View Update Event Args object is passed to the event-handling method, which enables you to determine the index of the current row and to indicate that the update operation should be canceled.To cancel the update operation, set the collections, if necessary, before the values are passed to the data source.
A Grid View Updated Event Args object is passed to the event-handling method, which enables you to determine the number of rows affected and any exceptions that might have occurred.
A common way to use these collections is to HTML-encode the values supplied by the user before they are stored in the data source.
event is raised when a row's Update button is clicked, but after the Grid View control updates the row.
Pessimistic concurrency is rarely used because such locks, if not properly relinquished, can prevent other users from updating data.
For example, if a user locks a record for editing and then leaves for the day before unlocking it, no other user will be able to update that record until the original user returns and completes his update. original_reorder Level, bool original_discontinued, int original_product ID) With the DAL and BLL complete, all that remains is to create an ASP.