public void Add(Mileage mileage)
{
if (list.Exists(item => item == mileage))
return;
list.Add(mileage);
}
public void SetCount(string value)
{
Mileage mileage = GetPrev();
int count;
if (!int.TryParse(value.Replace(" ", ""), out count))
{
throw new InvalidCastException();
}
int prevCount = 0;
if (mileage != null)
{
int.TryParse(mileage.Count, out prevCount);
if ((count < prevCount) && (Date > mileage.Date))
{
throw new InvalidConstraintException();
}
}
if (count >= 1000000)
{
throw new OverflowException();
}
_count = count;
}
public Mileage_AddEdit(Mileage mileage)
{
InitializeComponent();
_mileage = mileage;
}
public Mileage getItem(Car car, Mileage current)
{
var mileages = list.Where(item => item.Car.ID == car.ID && item != current).OrderByDescending(item => item.Date);
return getItem(mileages);
}
protected override void loadFromSql()
{
DataTable dt = _provider.Select("Mileage");
foreach (DataRow row in dt.Rows)
{
Mileage mileage = new Mileage(row);
Add(mileage);
}
}
public string PrevToString()
{
Mileage mileage = GetPrev();
return((mileage == null) ? "0" : mileage.ToString());
}