Attempt to invoke virtual method on a Null object reference
49
What is a NullPointerException, and how do I fix it?
96843
What will happen when I call a member function on a NULL object pointer?
96046
Static fields on a null reference in Java
5082
How do I use reflection to call a generic method?
46857
Compiler warning: null reference exception
35448
Virtual multiple inheritance - final overrider
142557
Calling pure virtual function in constructor gives an error
112328
Error: "an object reference is required for the non-static field, method or property..."
77711
How to use Reflection to Invoke an Overloaded Method in .NET
131864
Member '' cannot be accessed with an instance reference
146476
Java: Why aren't NullPointerExceptions called NullReferenceExceptions?
8738
Should a retrieval method return 'null' or throw an exception when it can't produce the return value?
1605
What is the reason behind "non-static method cannot be referenced from a static context"?
21981
C++ virtual function from constructor
134689
Setting an object to null vs Dispose()
42958
Method Overloading for null argument
29684
How to check if an object is nullable?