Cell Value Changing Event ,c#

Question

I have a DataGridView in which there are 3 columns; Quantity, Rate and Amount.
The DataGridView is Editable. When I enter a value in the Rate Column then immediately the val

Answer 1

If you really want to update the value without changing cells (as in on the fly), you'll have to handle the DataGridView.KeyPress event and check for which cell is being updated.

If that's too much of a hassle, use the DataGridView.CellValueChanged event. It's simpler to implement than the KeyPress event.