Removing last empty row of dataGridView

Question

I have some empty datagridview which uses data source is List through BindingSource. Because AllowUserToAddRows = true, initially the datagridview has one empty row. When I just select this row and close the form then datagridview creates new empty object. Why it does it? How to prevent this? Thanks.

Selecting of empty row: And I get this:

Conclusion: After many attempts to find a solution I decided to create UI control with datagridview and two buttons (add row and delete row). At this point I stopped trying to do as planned, but I'd still be pleased to know solutions.

Answer 1

You can handle RowValidating event to verify if row is empty. If so, then cancel event and row will not be added.

if (gridView[0, e.RowIndex].Value == null)
    e.Cancel = true;