using System;

using System.Diagnostics;

using NCalc;

​

public class Program

{

    public class Test 

    {

        public string Type { get;set;}

        public int Amount { get; set; }

    }

    public static void Main()

    {

        Console.WriteLine("Hello World");

        var obj = new Test

        {

            Type = "Test",

            Amount = 1500,

        };

        Console.WriteLine(obj.GetType());

        var expression = new Expression("Type = 'Test'");// && [Amount] = 1500

        Func<Test, bool> function = expression.ToLambda<Test, bool>();

​

        Debug.Assert(function(obj)); // true        

    }

}