KeyDown event - how to easily know if the key pressed is numeric?

Question

I am currently handling the KeyDown event of a DataGridView control. One of the columns is filled by calculated values and I want the user to be able to override the cell va

Answer 1

A bit more condensed version:

    private void KeyPress(object sender, KeyPressEventArgs e)
    {
        e.Handled = !Char.IsDigit(e.KeyChar); // only allow a user to enter numbers
    }