// Dynamic LINQ

// Doc: https://linq-dynamic.net/expression-language

​

// @nuget: System.Linq.Dynamic.Core

// @nuget: Z.EntityFramework.Classic

​

using System;

using System.Collections.Generic;

using System.Linq;

using System.Data.Entity;

using System.Linq.Dynamic.Core;

public class Program

{   

    public static void Main()

    {

        var srcType = typeof(Customer);

        var lambda2 = DynamicExpressionParser.ParseLambda(ParsingConfig.DefaultEFCore21, srcType, srcType, "new (new (3 as Id) as CurrentDepartment)");

    }

    public class Customer

    {

        public int Id { get; set; }

        public Department CurrentDepartment { get; set; }

    }

    public class Department

    {

        public int Id { get; set; }

    }

}