最简单的C#程序,新建一个控制台应用程序,然后输入代码:
 
using System;
using System.Collections.Generic;
using System.Text;

namespace 九九乘法表
{
        class ForApp
        {
                static void Main(string[] args)
                {
                        Console.WriteLine("九九乘法表");
                        for (int i = 1; i <= 9; i++)
                        {
                                for (int j = 1; j <= i; j++)
                                {
                                        Console.Write("{0}*{1}={2}\t", i, j, i * j);
                                }
                                Console.WriteLine();
                        }
                }
        }
}
 
由于是初学,可能一些命名规则不是很规范,还请读者看了后指出,谢谢。