Reference error message

[Majorshi]

Hi there,

when I try to run my strategy which passes the compiling however, got problem when I just to run it real. I figure out the problem come from some values, OrderAction.Buy etc., like in the code:
"if (IO.OrderAction == OrderAction.Buy && (IO.OrderState == OrderState.Working || IO.OrderState==OrderState.Accepted))
break;"
I got these error message:"Object reference not set to an instance of object"

Any ideas about this issue?

[NinjaTrader_AdamP]

Majorshi,

I would suggest putting a Try/Catch in your code to help identify where the issue is coming from if you havent already.

http://www.ninjatrader.com/support/forum/showthread.php?t=9825

Could you possibly post more of your code for this section? Where do you define the IO object? Is this in an overrided method like OnOrderUpdate()?

[Majorshi]

Yes, that's right. These code is located in OnBarUpdate, and the "IO" is a reference to IOrder which is defined the value when generating an order and return with this reference.

[NinjaTrader_Bertrand]

I would suggest you check into this tip here - http://www.ninjatrader.com/support/f...ead.php?t=4226

Very likely you see this happen as you don't check for null properly before accessing an IOrder property in your code.

[Majorshi]

yes, after checking null properly, the problem is solved.