Datagridview validating event
You will then learn how to specify your own data cell validation rules and how to control the UI that informs end-users about the errors.Finally, you'll see how to enable row validation, which allows you to take into account values from multiple columns.
Sometimes people are just trying to be funny, or they are literally trying to break your program. If the data is indeed only alphabetic letters (no symbols, no numbers or any other punctuation characters) the test succeeds and stores True inside the Name Valid variable. This is because it becomes more legible than just a normal set of numbers. When this event is canceled in data-bound mode, the new value is not pushed to the underlying data source. Cell Validated event to perform post-validation processing.When this event is canceled in virtual mode, the Data Grid View. For more information about handling events, see Consuming Events.There may be cases when you need to implement row validation.This is useful when your validation criteria involves several columns.