null reference error??? help please

hey guys
I am getting the error

An unhandled exception of type 'System.NullReferenceException' occurred in Testharness.exe

Additional information: Object reference not set to an instance of an object.


--------------------------------------------------------
namespace AdaptorPropertyNamespace
{
public class AdaptorProperty
{
public string propertyName;
public string propertyStringValue;
}
}

---------------------------------------------------------
AdaptorProperty[] properties = new AdaptorProperty[2];
properties[0].propertyName = "title";

----------------------------------------------------------

why does my program break out at 'properties[0].propertyName = "title";' with a null reference error?

thanx in advance

Code:

---

        AdaptorProperty[] properites = new AdaptorProperty[2];
        properites[0] = new AdaptorProperty();
        properites[0].propertyName = "TITLE";

---

Because you'd declared the arrays, but not the objects themselves.

Sorry about the spelling.