分组依据根据c# linq输出

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

public class Product
{
    public string Category { get; set; }
    public string Name { get; set; }
    public decimal Price { get; set; }
}

public class Program
{
    public static void Main()
    {
        List<Product> products = new List<Product>
        {
            new Product { Category = "Electronics", Name = "Laptop", Price = 1000 },
            new Product { Category = "Electronics", Name = "Smartphone", Price = 500 },
            new Product { Category = "Clothing", Name = "T-Shirt", Price = 20 },
            new Product { Category = "Clothing", Name = "Jeans", Price = 50 }
        };

        // 根据Category分组
        var groupedProducts = products.GroupBy(p => p.Category);

        foreach (var group in groupedProducts)
        {
            Console.WriteLine($"Category: {group.Key}");
            foreach (var product in group)
            {
                Console.WriteLine($"  {product.Name} - ${product.Price}");
            }
        }
    }
}

var orderedGroupedProducts = products.OrderBy(p => p.Category).GroupBy(p => p.Category);