protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
// Get credit allocations.
var allocations = ViewData.GetCreditAllocations();
Allocations = allocations == null
? new List <Tuple <Credit, Allocation> >()
: (from p in allocations
where (p.Key is ContactCredit && p.Value.RemainingQuantity != null) ||
(p.Key is ApplicantCredit && p.Value.RemainingQuantity != null && p.Value.RemainingQuantity != 0) ||
(p.Key is JobAdCredit && p.Value.RemainingQuantity != null && p.Value.RemainingQuantity != 0)
select Tuple.Create(p.Key, p.Value))
.OrderBy(p => p.Item1 is ContactCredit ? 0 : p.Item1 is ApplicantCredit ? 1 : 2)
.ToList();
}