สอบถามโค้ด C# เรื่องเรียงลำดับและการค้นหา จากมากไปหาน้อยค่ะ

namespace ConsoleApplication1
{
    class Program
    {
        struct record
        {
            public int Age;
            public string Name;
        };
        static void Main(string[] args)
        {
            record[] data1 = new record[5];

            
            Console.Write("Employee............");
            Console.WriteLine();
            for (int n = 1; n < data1.Length; n++)
            {
                Console.Write("Enter name[" + n + "] :");
                data1[n].Name = Console.ReadLine();
                Console.Write("Enter Age[" + n + "] :");
                data1[n].Age = int.Parse(Console.ReadLine());

            }
            Console.WriteLine();
            Console.Write("Output...\n");
            Console.WriteLine();


            for (int n = 1; n < data1.Length; n++)
            {
                
                        Console.Write(n + 0 + "." + data1[n].Name + ":" + data1[n].Age);
                        Console.WriteLine();
                    }
                    Console.Read();