Gestione Canc Tastierino Numerico su DataGridView

        private void giochiDataGridView_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
        {
            TextBox innerTextBox;
            if (e.Control is TextBox)
            {
                innerTextBox = e.Control as TextBox;
                // innerTextBox.KeyDown -= new KeyEventHandler(innerTextBox_KeyDown);
                // innerTextBox.KeyDown += new KeyEventHandler(innerTextBox_KeyDown);
                innerTextBox.KeyPress -= new KeyPressEventHandler(innerTextBox_KeyPress);
                innerTextBox.KeyPress += new KeyPressEventHandler(innerTextBox_KeyPress);
            }
        }

        private void innerTextBox_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar == 46)
            {
                SendKeys.Send(","); //manda la virgola al posto del .
                e.Handled = true; //fa in modo che il . non vada nell'input
            }
        }