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Enumerable.Single Method

Returns a single, specific element of a sequence.

This member is overloaded. For complete information about this member, including syntax, usage, and examples, click a name in the overload list.

Public method Static member Single<TSource>(IEnumerable<TSource>) Returns the only element of a sequence, and throws an exception if there is not exactly one element in the sequence.
Public method Static member Single<TSource>(IEnumerable<TSource>, Func<TSource, Boolean>) Returns the only element of a sequence that satisfies a specified condition, and throws an exception if more than one such element exists.