/C#/Join 2 list rows into one row and add totals fields C#

Join 2 list rows into one row and add totals fields C#

var result = list.GroupBy( result => result.TrdID)
                 .Select( gr => {
                 var startDate = DateTime.ParseExact(gr.OrderBy(x => x.Term).First().Term, "yyyyMM", CultureInfo.InvariantCulture);
                 var endDate = DateTime.ParseExact(gr.OrderByDescending(x => x.Term).First().Term, "yyyyMM", CultureInfo.InvariantCulture);                      
                 return  new ProcessedResult
                 {
                     TrdID = gr.Key
                     StartDate = new DateTime(startDate.Year, startDate.Month, 1),
                     EndDate = (new DateTime(endDate.Year, endDate.Month, 1)).AddMonth(1).AddDays(-1),
                     Price = gr.First().Price,
                     Seller = gr.First().Seller,
                     Buyer = gr.First().Buyer,
                     Quantity = gr.Sum(x=>x.Quantity)
                 } 
             });

Source: stackoverflow.com

Similar codes

1 vote193 views1 answer
Urlreferrer in asp.net core
C#
0 vote187 views1 answer
Block nulltarge tpl dataflow
C#
3 votes183 views1 answer
C# object list attribute to string
C#
0 vote184 views1 answer
Small index c#
C#
2 votes202 views1 answer
Random.range unity not working
C#Unity
1 vote207 views1 answer
C# error CS0515
C#
0 vote273 views1 answer
CRUD configuration MVC with Firebase
C#
-1 vote176 views1 answer
Width="331" height="331"
C#
19 votes201 views2 answers
Unity change text
C#Unity
0 vote205 views2 answers
Prime number algorithm
C#