小程序（九九乘法表）

using System;

public class ChengFaBiao

{

public static void Main()

{

Console.WriteLine ("jiu jiu cheng fa biao");

for(int x=1;x<=9;x++)

{

for(int y=1;y<=x;y++)

{

Console.Write ("{0}*{1}={2}/t",x,y,x*y);

}

Console.WriteLine ();

}

}

}

--------------------------windows-----------------------------

private void button1_Click(object sender, EventArgs e)

{

label1.Text = "";

string s = "";

int sum;

for (int i = 1; i < 10; i = i + 1)

{

for (int k = 1; k <= i; k = k + 1)

{

sum = k * i;

s = s + k.ToString() + "×" + i.ToString() + "=" + sum.ToString() + " ";

}

label1.Text += s + "/n"; // 显示并换行

}

}