DynamicLinqDemo.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Dynamic.Core;

namespace LinqDemo.Cli
{
    class Person
    {
        public string Name { get; set; }
    }

    class Program
    {
        private static IQueryable<Person> People = new List<Person>
        {
            new Person {Name = "ali"},
            new Person {Name = "veli"},
            new Person {Name = "ahmet"},
        }.AsQueryable();

        static void Main(string[] args)
        {
            FilterWithArray(new[] {"veli", "ali"});
            FilterWithDict(new[] {"veli", "ali"});
        }

        private static void FilterWithDict(string[] values)
        {
            Console.WriteLine("filtering with dict");
            var data = new Dictionary<string, object>
            {
                {"@values", values}
            };
            var filtered = People
                .Where("@values.Contains(name)", data)
                .ToList();
            foreach (var person in filtered)
            {
                Console.WriteLine($"filtered: {person.Name}");
            }
        }

        private static void FilterWithArray(string[] values)
        {
            Console.WriteLine("filtering with array");
            var filtered = People
                .Where(@"@0.Contains(name)", values, null)
                .ToList();
            foreach (var person in filtered)
            {
                Console.WriteLine($"filtered: {person.Name}");
            }
        }
    }
}

array verdiginde bir parametre daha verip (null) variadic arguman olarak anlamasini engellemek gerek