1. Linq Queries &
Operators
2014/1/9
Mark Chen
1

2. Enumerable Method
Select<TSource, TResult>(IEnumerable<TSource>, Func<TSource, TResult>)
SelectMany<TSource, TResult>(IEnumerable<TSource>, Func<TSource,
IEnumerable<TResult>>)
Concat<TSource>
Union<TSource>(IEnumerable<TSource>, IEnumerable<TSource>)
Where<TSource>(IEnumerable<TSource>, Func<TSource, Int32, Boolean>)
OrderBy<TSource, TKey>(IEnumerable<TSource>, Func<TSource, TKey>)
OrderByDescending<TSource, TKey>(IEnumerable<TSource>, Func<TSource, TKey>)
ThenBy<TSource, TKey>(IOrderedEnumerable<TSource>, Func<TSource, TKey>)
ThenByDescending<TSource, TKey>(IOrderedEnumerable<TSource>, Func<TSource,
TKey>)
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3. Enumerable Method
Reverse<TSource>
ToArray<TSource>
ToList<TSource>
Contains<TSource>(IEnumerable<TSource>, TSource)
Count()
Sum()
Max()
Min()
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4. Enumerable Method
Average()
Aggregate<TSource>(IEnumerable<TSource>, Func<TSource, TSource, TSourc
e>)
Take<TSource>()
Skip<TSource>()
First<TSource>(IEnumerable<TSource>)
FirstOrDefault<TSource>(IEnumerable<TSource>)
Last<TSource>(IEnumerable<TSource>)
LastOrDefault<TSource>(IEnumerable<TSource>)
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5. Enumerable Method
Range()
Repeat<TResult>()
ElementAt<TSource>
ElementAtOrDefault<TSource>
Empty<TResult>
DefaultIfEmpty<TSource>(IEnumerable<TSource>)
All<TSource>
Any<TSource>(IEnumerable<TSource>)
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6. 尚未了解的部分
AsQueryable()
AsEnumerable<TSource>()
AsQueryable(IEnumerable)
AsQueryable<TElement>(IEnumerable<TEle
ment>)
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7. 尚未了解的部分
Cast<TResult>()
OfType<TResult>()
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