using System;

using System.Collections.Generic;

using System.Linq.Expressions;

​

public class Program

{

    public class MyRow

    {

        public int Id { get; set; }

        public string Name { get; set; }

        public int Qunatity { get; set; }

    }

    public static void Main()

    {

        var type = typeof(MyRow);

        var constructorInfo = type.GetConstructor(new Type[0]);

        var newExpression = Expression.New(constructorInfo);

        var memberInits = new List<MemberAssignment>();

        foreach (var prop in type.GetProperties())

        {

            if (prop.Name == "Id")

            {

                memberInits.Add(Expression.Bind(prop, Expression.Constant(1)));

            }

            else if (prop.Name == "Name")

            {

                memberInits.Add(Expression.Bind(prop, Expression.Constant("Z_Name")));

            }

            else if (prop.Name == "Qunatity")

            {

                memberInits.Add(Expression.Bind(prop, Expression.Constant(2)));

            }

        }

        var expression = Expression.MemberInit(newExpression, memberInits);

        // FOR testing purpose

        var compiledExpression = Expression.Lambda<Func<MyRow>>(expression).Compile();

        var myRow = compiledExpression();

        Console.WriteLine(myRow.Id);

        Console.WriteLine(myRow.Name);

        Console.WriteLine(myRow.Qunatity);

    }

}