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Hi Friends i need to group a list of objects based on a field Cusip . and need to return new list which has count>1

Please help

C#
public class AccruedClass
        {
            public string Cusip { get; set; }
            public string Symbol { get; set; }
            public double AccruedInterest { get; set; }
            public double PriceFactor { get; set; }
            public double Quantity { get; set; }            
            public double CalcAcc { get { return AccruedInterest * PriceFactor * Quantity; } }
        }


C#
List<AccruedClass> ac = new List<AccruedClass>();
ac = validaccrued();
ac.ForEach(item => Console.Write(item.Cusip + "," + item.AccruedInterest + "," + item.Quantity + "\n"));
Posted

1 solution

Grouping is easy:
C#
var grouped = ac.GroupBy(a => a.Cusip);
But you want only those groups with more than one member?
Try this:
C#
List<AccruedClass> grouped = ac.GroupBy(a => a.Cusip).Where(g => g.Count() > 1).SelectMany(g => g.ToList()).ToList();


[edit]Forgot to encode HTML tag characters...[/edit]
 
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Comments
jinesh sam 18-Jul-15 4:41am    
Thanks :)
OriginalGriff 18-Jul-15 4:54am    
You're welcome!

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