20-Mar-2020 07:49

You can access the values by casting the sender to the datagridview or whatever you are using, then accessing the rows there.

I'm not sure how you delete them from here though as again they still have not been added to the dataset and it threw an exception in the quick test I did.

If it is less than five characters, you set the Error Text property of that cell to some error message.


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It not only supports data binding but also provides frequently needed column types, such as combo box and button.If you want to validate the data cell by cell, the former event is useful where you want to validate the data for the entire row at once then the later event is handy.