public void Insert(TimeSheetEntry entry)
{
if (dataCollection.Any(te => te.Id == entry.Id))
{
throw new InvalidOperationException();
}
dataCollection.Add(entry);
}
public void Update(TimeSheetEntry entry)
{
if (dataCollection.Any(ts => ts.Id == entry.Id))
{
dataCollection.Remove(entry);
dataCollection.Add(entry);
return;
}
throw new InvalidOperationException();
}
public void Delete(TimeSheetEntry entry)
{
dataCollection.Remove(entry);
}