Attempt to invoke virtual method on a null object reference
49
What is a NullPointerException, and how do I fix it?
27460
Virtual functions
49933
How can I get a reference to a method?
32065
Attempt to de-reference a null object: Trigger
108336
Nullable Object must have a value #2
118541
How to pass a default argument value of an instance member to a method?
72740
Invoking methods with optional parameters through reflection
35590
How to fix NullPointerException in Java?
5082
How do I use reflection to call a generic method?
45196
Calling class method through NULL class pointer
21981
C++ virtual function from constructor
103469
Why can't I create a new method in an anonymous inner class?
144658
System.NullPointerException: Attempt to de-reference a null object ,sravn
140738
Does setting Java objects to null do anything anymore?
156400
NullReferenceException when using NUnit
20239
How do I use reflection to invoke a private method?
8283
Why does null reference print as "null"