query: C# Object Reference not set to an instance of an object error
positive_passages.docid: 289
positive_passages.text: What is a NullReferenceException, and how do I fix it?
negative_passages.docid: 15836
negative_passages.text: Cannot refer to a non-final variable inside an inner class defined in a different method
negative_passages.docid: 88648
negative_passages.text: Cross-thread operation not valid: Control 'textBox1' accessed from a thread other than the thread it was created on
negative_passages.docid: 57795
negative_passages.text: The calling thread cannot access this object because a different thread owns it.WPF
negative_passages.docid: 150853
negative_passages.text: An object reference is required to access non-static member
negative_passages.docid: 118034
negative_passages.text: How to copy value from class X to class Y with the same property name in c#?
negative_passages.docid: 3138
negative_passages.text: Set object property using reflection
negative_passages.docid: 84493
negative_passages.text: Can't set attributes on instance of "object" class
negative_passages.docid: 64332
negative_passages.text: avoiding null reference exceptions
negative_passages.docid: 9073
negative_passages.text: Cannot make a static reference to the non-static method
negative_passages.docid: 131486
negative_passages.text: Is there a built in .NET exception that indicates an illegal object state?
negative_passages.docid: 11458
negative_passages.text: NullReferenceException in Unity
negative_passages.docid: 71955
negative_passages.text: WPF Dispatcher {"The calling thread cannot access this object because a different thread owns it."}
negative_passages.docid: 30503
negative_passages.text: Error: "Cannot modify the return value" c#
negative_passages.docid: 46960
negative_passages.text: error with inner class object
negative_passages.docid: 84544
negative_passages.text: Why and how does C# allow accessing private variables outside the class itself when it's within the same containing class?
negative_passages.docid: 26859
negative_passages.text: Comparing object properties in c#