java.lang.String java.lang.Object.toString()' on a null object reference
49
What is a NullPointerException, and how do I fix it?
95208
The method getText() is undefined for the type String error
75428
LINQ to Entities does not recognize the method 'System.String ToString()' method, and this method cannot be translated into a store expression
99170
Convert string in dot notation to get the object reference
134689
Setting an object to null vs Dispose()
79477
Why is "null" present in C# and Java?
10581
Avoiding NullPointerException in Java
73120
Nullpointerexception when trying to send data from activity to class
75247
Convert string to nullable type (int, double, etc...)
107844
How does the .ToString() method work?
96843
What will happen when I call a member function on a NULL object pointer?
79162
Javascript null or empty string does not work
19989
Apex JSON.serialize() with null values (RELOADED)
80631
NullPointerException but compiling?
43769
How do I Parameterize a null string with DBNull.Value clearly and quickly
73285
Null Pointer Exception in XMl Parsing
139226
does valueType.ToString() does a cast on the valueType?