在动态属性的LINQ GroupBy语句中使用字符串的C#

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

public class Person
{
    public string Name { get; set; }
    public int Age { get; set; }
}

public class Program
{
    public static void Main()
    {
        List<Person> people = new List<Person>
        {
            new Person { Name = "Alice", Age = 25 },
            new Person { Name = "Bob", Age = 30 },
            new Person { Name = "Alice", Age = 35 },
            new Person { Name = "Bob", Age = 40 }
        };

        string groupByProperty = "Name";
        var groupedPeople = people.GroupByDynamic(groupByProperty);

        foreach (var group in groupedPeople)
        {
            Console.WriteLine($"Group: {group.Key}");
            foreach (var person in group)
            {
                Console.WriteLine($"Name: {person.Name}, Age: {person.Age}");
            }
            Console.WriteLine();
        }
    }
}

public static class LinqExtensions
{
    public static IEnumerable<IGrouping<object, T>> GroupByDynamic<T>(this IEnumerable<T> source, string property)
    {
        var parameter = System.Linq.Expressions.Expression.Parameter(typeof(T), "x");
        var selector = DynamicExpression.ParseLambda(new[] { parameter }, null, property);
        var groupByCall = System.Linq.Expressions.Expression.Call(
            typeof(Queryable), "GroupBy",
            new[] { typeof(T), selector.Body.Type },
            source.AsQueryable().Expression,
            selector
        );
        var groupByLambda = System.Linq.Expressions.Expression.Lambda<Func<T, object>>(selector.Body, parameter);

        return source.AsQueryable().Provider.CreateQuery<IGrouping<object, T>>(groupByCall);
    }
}