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MSDN Library

Queryable.LongCount Method

Returns an Int64 that represents the number of elements in sequence.

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 Supported by Portable Class Library LongCount<TSource>(IQueryable<TSource>) Returns an Int64 that represents the total number of elements in a sequence.
Public method Static member Supported by Portable Class Library LongCount<TSource>(IQueryable<TSource>, Expression<Func<TSource, Boolean>>) Returns an Int64 that represents the number of elements in a sequence that satisfy a condition.
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