Linq unique count

Linq unique count property

data.Select(x => x.Id).Distinct().Count();

Source: grepper.com

LINQ return list of unique values with counts

// model
 public class orderviewmodel
    {
        public string OrderNumber { get; set; }
        public int Count { get; set; }
    }
    
 // BL
  public IList<orderviewmodel> Read(string tmpC)
        {
            try
            {
                using (var entities = new UrEntities())
                {
                    return entities.Masters.Where(w => w.ContainerNumber.Equals(tmpC)).GroupBy(g => g.OrderNumber)
                        .Select(s => new orderviewmodel { OrderNumber = s.Key, Count = s.ToList().Count,  }).ToList();
                }
            }
            catch (Exception)
            {

                throw;
            }
        }

Source: grepper.com

Similar codes

0 vote96 views1 answer
How to add a ddos api to a c# console app
C#
0 vote99 views1 answer
Flutter find a widget
C#
1 vote97 views1 answer
Ef core set identity_insert off
C#
0 vote197 views2 answers
OpenBots convert Int
C#
1 vote92 views1 answer
C# .net core convert string to enum
C#
7 votes104 views2 answers
How to clone somthing unity
C#
10 votes96 views5 answers
C# null check
C#
0 vote97 views1 answer
Belgium 251 PRG Prac
C#
0 vote125 views1 answer
Unity pickup and drop objects
C#
1 vote98 views1 answer
Unity tilemap get all tiles
C#