Linq.DynamicSum

Extension to return sum value of list of objects

DynamicSum

Implement operator +

public class SimpleObject
{
    public SimpleObject()
    {
        Name = string.Empty;
        Quantity = 0;
        Price = 0;
    }

    public string Name { get; set; }

    public int Quantity { get; set; }

    public decimal Price { get; set; }

    public static SimpleObject operator +(SimpleObject object1, SimpleObject object2)
    {
        return new SimpleObject
        {
            Name = object1.Name,
            Quantity = object1.Quantity + object2.Quantity,
            Price = 0,
        };
    }
}

Usage:

var sum = sequence.DynamicSum();

CalculateSummaryEntity

Usage

SummaryEntity<SimpleObject> summary = sequence.CalculateSummaryEntity();