why i getting this null reference object?
49
What is a NullPointerException, and how do I fix it?
1816
Non-static variable cannot be referenced from a static context
64332
avoiding null reference exceptions
92446
C#: How to pass null to a function expecting a ref?
128903
ExecuteScalar throws NullReferenceException
66284
NullPointerException when Creating an Array of objects
134689
Setting an object to null vs Dispose()
79477
Why is "null" present in C# and Java?
76488
What is a reference-to-pointer?
96046
Static fields on a null reference in Java
107423
After ExecuteScalar: Object reference not set etc
8808
Strange Java null behavior in Method Overloading
127452
Why is typeof null "object"?
94526
How to get instance of referenced entity?
91943
What is the use of "ref" for reference-type variables in C#?
5573
Undefined reference error for template method
46857
Compiler warning: null reference exception