void loadTienPhat()
{
string tienPhatNgay = CaiDat_DAO.LayTienPhatNgay();
tienPhatNgayText.Text = tienPhatNgay;
string tienPhatTrenMotTuan = CaiDat_DAO.LayTienPhatTuan();
tienPhatTuanText.Text = tienPhatTrenMotTuan;
}
private void dtpBorrowday_ValueChanged(object sender, EventArgs e)
{
dtpReturnday.Value = DateTime.Now;
if (txtBorrowID.Text == "" || txtMemberID.Text == "" || lbBookID.SelectedItem.ToString() == "")
{
return;
}
int d = TraSach_DAO.getExp(txtBorrowID.Text, txtMemberID.Text, lbBookID.SelectedItem.ToString());
if (d < 0)
{
txtPunish.Text = "0";
}
if (d >= 0 && d <= 7)
{
txtPunish.Text = (int.Parse(CaiDat_DAO.LayTienPhatNgay()) * d).ToString();
}
if (d > 7)
{
txtPunish.Text = (int.Parse(CaiDat_DAO.LayTienPhatTuan()) * (float)d / 7).ToString();
}
}
