Debugging with Try & Catch

[jg123]

I have done a debug with Try & Catch (Thanks Matthew!!) and have narrowed down an error (probably one of so many!)

The following is the code that has the error.

			if (LongEntryA != null 
				&& LongEntryB != null
				&& Close[0] < SMA(sMAPeriod)[0]
				|| Close[0] < Ichimoku(9,26,52).KijunSen[0])
			{
				CancelOrder(LongEntryA);
				CancelOrder(LongEntryB);
			}

Here is the error that I am getting in the Output Window

8/4/2011 11:00:00 PM System.NullReferenceException: Object reference not set to an instance of an object.
at System.Object.GetType()
at NinjaTrader.Strategy.StrategyBase.CancelOrder(IOrd er iOrder)
at NinjaTrader.Strategy.TrendPilot.OnBarUpdate()

(which, btw, I can't seem to get it to draw on the chart using DrawText()...is that normal?)

Can someone help me with what is probably wrong with this? I am not sure if you have enough information to be able to determine it. The goal of this logic is to cancel any open orders if the candle closes below the KijunSen line and/or the SMA.

Thanks for your help.

[NinjaTrader_Brett]

Hello,

Problem is here:

{
if (LongEntryA != null
&& LongEntryB != null
&& Close[0] < SMA(sMAPeriod)[0]
}
OR
{
|| Close[0] < Ichimoku(9,26,52).KijunSen[0])
}

Basically that OR side of the statement can become true and if its true then the LongEntryA/B will try to cancel. But the != null check isn't on that side so it tries to cancel an order that is actually null.