public void ClearExpenseLines(ExpenseReport er)
{
List <ExpenseLine> ELs = new List <ExpenseLine>();
// Remove EL from list (iterate backward to be safe)
for (int i = er.ExpenseLines.Count - 1; i >= 0; i--)
{
ELs.Add(er.ExpenseLines[i]);
er.RemoveLine(er.ExpenseLines[i]);
}
// Destroy all ELs
for (int i = ELs.Count - 1; i >= 0; i--)
{
ExpenseLine toRemove = ELs[i];
//ExpenseLine toRemove = Db.ExpenseLines.SingleOrDefault(el => el.Id == ELs[i].Id);
if (toRemove != null)
{
Db.ExpenseLines.Remove(toRemove);
}
}
Db.SaveChanges();
}
