用C#输出9*9口诀表

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

namespace _02
{
    class Program
    {
        static void Main(string[] args)
        {
            string s = "";
            for (int i = 1; i <= 9; i++)
            {
                for (int j = 1; j <= i; j++)
                {
                    s += string.Format("{0,1}X{1,1}={2,-4}", j, i, j * i);
                }
                s += "\r\n";
            }
            Console.Write(s);
            Console.ReadKey();

        }
    }
}

你应该用"Environment.NewLine"而不是"\r\n" :

...
s += Environment.NewLine;
...

for(i=1,i<10;i++)
{
    for(j=i;j<10;j++)
    {
        s=i*j;
        label1.Text+=i.Tostring()+"*"+j.Tostring()+"="s.Tostring()+“     ”;
     }
     label1.text+="\r\n";
}
回复这个帖子之前，没有写程序验证，很抱歉。记忆中应该是这样。

            for (int i = 1; i <= 9; i++)
            {
                for (int j = 1; j <= i; j++)
                {
                    int h = i * j;
                    Console.Write("{0}*{1}={2}\t",j,i,h);
                }
                Console.WriteLine();
            }
c#新手  本人qq：1030202834

这个不想说了！

路过，进来看看

            for (int i = 1; i <= 9; i++)
            {
                for (int j = 1; j <= i; j++)
                {
                  
                    Console.Write(string.Format("{0, 1}*{1, 1}={2, -4}", j, i, j * i));

                }
                Console.WriteLine();
            }

咋好像都输不出结果来啊？