WebC# LINQ-GroupBy一个配对对象的键,然后将分组的对象分成两个对象的列表?,c#,.net,linq,group-by,C#,.net,Linq,Group By,我有一个成对的对象列表,其中一 … WebJul 19, 2024 · Linq Group By Max var scores = new List () { new Record() { Name = "Bill", Score = 2 }, new Record() { Name = "Ted", Score = 9 }, new Record() { Name = …
c# - Linq Group by和內部加入 - 堆棧內存溢出
WebFeb 24, 2024 · Code language: C# (cs) This is an alternative to using a separate Select () on the GroupBy () output. One way to use this is to aggregate values per group (i.e. Count, Sum, Min, Max). Select an aggregate value per group Let’s say you want the count of coders per language group. WebLINQ Max Max (LINQ) Enumerable.Max is extension method from System.Linq namespace. It returns maximal value of numeric collection. Max for Numeric Types Gets maximal number from list of integer numbers. var numbers = new List < int > { 1, 8, 3, 2 }; int maxNumber = numbers. Max (); // maxNumber: 8 Gets maximal number from list of … clts and pets
C# - Examples of using GroupBy() (Linq) MAKOLYTE
WebNov 29, 2024 · To do this, we use the group by statement: 1 from e in employees 2 group e by e.GroupCode.ToUpper().Substring(0, 2) into g 3 select new { Location, Total }; csharp. Here, we're taking the first two characters of the GroupCode property of the Employee object and grouping the set by that value into a group set we've designated as g .**. WebAbout Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... WebJan 20, 2024 · Approach 1 select * from customer c1 where Total = ( select max (total) from customer c2 where c1.customer=c2.customer group by c2.customer ) order by total Approach 2 SELECT * FROM ( SELECT ROW_NUMBER () OVER (PARTITION BY customer ORDER BY total DESC) AS StRank, * FROM customer) n WHERE StRank = 1 cabinets to go above washer and dryer