goto语句可指定代码的跳行运行：

实例如下：

代码如下：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Policy;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp2
{
//yngqq@2024年9月4日10:08:31
   public  class Program
    {
        public static void  Main()
        {  
            bool b = true  ;
            erro:
            if (b == true)
            {
                // OK:
                System.DateTime d = System.DateTime.Now;
                System.Console.WriteLine(d.ToLongDateString());
                Console.ReadLine();
                b = false;
              if (b == false ) goto erro;

            }
            else 
            {
                System.Console.WriteLine("哈哈");
                Console.ReadLine();
            }
        }

      


    }
}

实例2：

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Security.Policy;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp2
{
   public  class Program
    {
        static void Main()
        {
            try
            {
            erro:
                Console.WriteLine("Coffee sizes: 1=Small 2=Medium 3=Large");
                Console.Write("Please enter your selection: ");
                string s = Console.ReadLine();
                int n = int.Parse(s);
                int cost = 0;
                switch (n)
                {
                    case 1:
                        cost += 25;
                        break;
                    case 2:
                        cost += 25;
                        goto case 1;
                    case 3:
                        cost += 50;
                        goto case 1;
                    default:
                        Console.WriteLine("Invalid selection.");
                        break;
                }
                if (cost != 0)
                {
                    Console.WriteLine("Please insert {0} cents.", cost);
                }
                Console.WriteLine("Thank you for your business.");
                goto erro;
                Console.ReadLine();
            }
            catch (Exception)
            {

                throw;
            }
            
        }
    }




}