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 vote163 views1 answer
Unity draw ray from one object to another
C#
18 votes193 views6 answers
Mkdir
C#
31 votes197 views5 answers
String to json c#
C#
1 vote166 views1 answer
How to center text in console application
C#
1 vote233 views1 answer
Unity C# make object face away
C#Unity
6 votes171 views2 answers
Unity rotate vector around point
C#
0 vote161 views1 answer
How to hide cell in epplus
C#
1 vote162 views1 answer
C# socket listen on port
C#
-1 vote147 views1 answer
C# jump space
C#
1 vote223 views1 answer
Unity list of gameobjects
C#Unity