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Returns a single, specific element of a sequence of values, or a default value if no such element is found.
This member is overloaded. For complete information about this member, including syntax, usage, and examples, click a name in the overload list.
|SingleOrDefault<TSource>(IEnumerable<TSource>)||Returns the only element of a sequence, or a default value if the sequence is empty; this method throws an exception if there is more than one element in the sequence.|
|SingleOrDefault<TSource>(IEnumerable<TSource>, Func<TSource, Boolean>)||Returns the only element of a sequence that satisfies a specified condition or a default value if no such element exists; this method throws an exception if more than one element satisfies the condition.|