NullReferenceException When calling class function c#
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What is a NullReferenceException, and how do I fix it?
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Java: Why aren't NullPointerExceptions called NullReferenceExceptions?
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After ExecuteScalar: Object reference not set etc
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How do I use a class method as a callback function?
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Can Visual Studio tell me which reference threw a NullReferenceException?
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Null pointer Exception - findViewById()
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Are nullable types reference types?
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Is it Possible to Return a Reference to a Variable in C#?
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"No enclosing instance of type" error while calling method from another class in Android
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How to debug methods from Reference Classes?
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Why is "null" present in C# and Java?
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"Cannot create an instance of the abstract class or interface" C# error message
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How to use class name as parameter in C#
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C# nullable string error
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When is it OK to catch NullPointerException?
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How does the assignment of the null literal to a System.Nullable type get handled by .Net (C#)?
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PHP class not storing reference