[C#] ConcurrentDictionary.ContainsKey() Exception

[Squirrelington]

ok so the exception throw is pretty self-explanitory, I could fix this with Try-Catch but I want to understand why in the hell ContainsKey is throwing an exception rather than a boolean like the documentation states. It was my understanding that the whole purpose of that function was to return false if it didn't exist in the dictionary.

if (colListUnitType.ContainsKey(colInventoryWarehouseItem[12]) == true) {

I have also tried just

if (colListUnitType.ContainsKey(colInventoryWarehouseItem[12])) {

As I said, my expected behavior is ContainsKey() to return a boolean like the documentation states but instead I'm getting an exception ("KeyNotFoundException was unhandled by user code: The given key was not present in the dictionary.").

-- Solution was that I had legacy code still laying around with references to stuff that didn't exist anymore and had changed.

Edited May 6, 2011 by FuhrerDarqueSyde

[Squirrelington]

disregard this, i'm an idiot.

Idiocy declaration not to be used with any other argument. ;)