/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

0 vote100 views1 answer
Connection string .net core
C#
27 votes104 views4 answers
How to get a length of a string in c#
C#
0 vote103 views1 answer
How to sign in with your unity id in unity hub
C#
4 votes101 views2 answers
Foreach c# linq example
C#
0 vote112 views1 answer
C# ignore enter key
C#
0 vote153 views1 answer
Fix diagonal movement unity
C#Unity
0 vote99 views1 answer
C# enum key value
C#
0 vote136 views1 answer
Unity c# change animation
C#Unity
0 vote105 views1 answer
Get min date in list c#
C#
1 vote99 views1 answer
Unity spawn button
C#