using System;

using System.Linq;

using System.Linq.Expressions;

using System.Reflection;

​

public class Program

{

    public static void Main()

    {

            string[] companies = {

                "Consolidated Messenger", "Alpine Ski House", "Southridge Video", "City Power & Light",

                "Coho Winery", "Wide World Importers", "Graphic Design Institute", "Adventure Works",

                "Humongous Insurance", "Woodgrove Bank", "Margie's Travel", "Northwind Traders",

                "Blue Yonder Airlines", "Trey Research", "The Phone Company",

                "Wingtip Toys", "Lucerne Publishing", "Fourth Coffee"

            };

​

            var openOrderBy = typeof(Queryable)

                .GetMethods(BindingFlags.Static | BindingFlags.Public)

                .First(m => m.Name == "OrderBy" && m.GetParameters().Length == 2);

​

            var closedOrderBy = openOrderBy.MakeGenericMethod(

                typeof(string), // type of item in collection, TSource

                typeof(string)); // type returned by lambda, TKey

​

            var pe = Expression.Parameter(typeof(string), "company");

​

            var orderByCall = Expression.Call(null, // for static methods

                closedOrderBy,

                companies.AsQueryable().Expression,

                Expression.Lambda<Func<string, string>>(pe, pe));

​

            var result = Expression.Lambda<Func<IQueryable<string>>>(orderByCall).Compile().Invoke().ToList();

            result.ForEach(Console.WriteLine);

    }

}