private void borrowBtn_Click(object sender, EventArgs e) { decimal lateFee = 0; borrowLogic.AddBorrow( int.Parse(userIdBorrowTxtBox.Text), int.Parse(mediaIdBorrowTxtBox.Text), borrowDateTimePicker.Value.ToString("yyyy-MM-dd"), estimatedDateTimePicker.Value.ToString("yyyy-MM-dd"), actualDateTimePicker.Value.ToString("yyyy-MM-dd"), lateFee ); RefreshBorrowList(); }