Code:
... // Commit the value to another function and read back a properly formatted string. E.g. if the value was 123 it will now be 123.00 dataGridView1[e.ColumnIndex, e.RowIndex].Value = Manager.UpdateTransaction(newRow, e.ColumnIndex, dataGridView1[e.ColumnIndex, e.RowIndex].Value.ToString()); ... // the value of the cell dataGridView1[3,e.RowIndex+1].Value