WebJul 6, 2024 · Select sum(a) as 'a', b from myTable group by b And the sql sever make a table with two columns, 'a' and 'b', so how can i do this in C# and using DataTables? I saw the examples of DataTable.Compute() in MSDN and the other related sources for aggregating and grouping the data in a datatable, ... WebMay 13, 2013 · The following code works on each IGrouping in the select portion to get your aggregate operations working correctly. var results = from line in Lines group line by line.ProductCode into g select new ResultLine { ProductName = g.First ().Name, Price = g.Sum (pc => pc.Price).ToString (), Quantity = g.Count ().ToString (), }; Share

c# - Linq: GroupBy, Sum and Count - Stack Overflow

Webc# linq datatable group-by sum 本文是小编为大家收集整理的关于 查找重复的记录并将其合并到单一的数据表格中 c#. 的处理/解决方法，可以参考本文帮助大家快速定位并解决问题，中文翻译不准确的可切换到 English 标签页查看源文。 how many championships do the 76ers have

c# - Linq Sum with group by - Stack Overflow

WebSelect and sum DataTable rows with criteria. datatable sum column and concatenate rows using LINQ and group by on multiple columns. Group objects by a series of common … WebMay 20, 2016 · Assuming you have DataTable with the mentioned data, you could do this using Linq var result = table.AsEnumerable () .GroupBy (x=> x.Field ("Currency")) .Select (x=> new { Currency = x.Key, Value = x.Sum (s=> Math.Max (s.Field ("FeesNormal"), s.Field ("FeesCustom "))), } .ToList () Share Improve this … WebJul 14, 2014 · var newSort = from row in objectTable.AsEnumerable () group row by new {ID = row.Field ("resource_name"), time1 = row.Field ("day_date")} into grp orderby grp.Key select new { resource_name1 = grp.Key.ID, day_date1 = grp.Key.time1, Sum = grp.Sum (r => r.Field ("actual_hrs")) }; c# linq … how many championships did yogi berra win