public void AddToExistingPurchase(int PurchaseID, int UserID)
{
Stocky.Proxies.AppDataClient DataClient = new Proxies.AppDataClient();
try
{
if (IsObjectValid)
{
DataClient.Open();
DataClient.AddToExistingPurchase(this, PurchaseID, UserID);
OnStockCreated();
}
else
{
throw new InvalidObjectException(PropertyList);
}
}
finally
{
DataClient.Close();
}
}