[Solved] when call an btn click method on enter key press Error accured ” An Obeject reference is required for non-static field, method or property” [duplicate]

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when call an btn click method on enter key press Error accured ” An Obeject reference is required for non-static field, method or property” [duplicate]

solved when call an btn click method on enter key press Error accured ” An Obeject reference is required for non-static field, method or property” [duplicate]