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Enumerable.DefaultIfEmpty Method

Returns the elements of an IEnumerable<T>, or a default valued singleton collection if the sequence is empty.

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

  Name Description
Public method Static member DefaultIfEmpty<TSource>(IEnumerable<TSource>) Returns the elements of the specified sequence or the type parameter's default value in a singleton collection if the sequence is empty.
Public method Static member DefaultIfEmpty<TSource>(IEnumerable<TSource>, TSource) Returns the elements of the specified sequence or the specified value in a singleton collection if the sequence is empty.
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