C#LINQ常用语法大全

目录  取值

   First，FirstOrDefault    Last，LastOrDefault    Single，SingleOrDefault    ElementAt，ElementAtOrDefault    Skip,SkipWhile    Take,TakeWhile    DefaultIfEmpty    Where

 检查

   All    Any    Contains    OfType    SequenceEqual    Count,LongCount

 计算

   Max    Min    Average    Sum    Aggregate

 转换

   ToList    ToArray    ToDictionary    AsEnumerable    Cast    Reverse    Distinct    Select，SelectMany

 排序

   OrderBy,OrderByDescending    ThenBy,ThenByDescending

 组合  创建

备注