请问各位大神我用c#做九九乘法表为啥这个运行不出来啊

using System;
class Square
{
static void Main()
{
Console.WriteLine();
Console.ReadLine();
for (int i = 1; i<= 9; i++)
{
for (int j = 1; j <= 9; j++)
{
if (j < i)
Console.WriteLine("{0}*{1}={2}\t", i, j, i * j);
}
}
}
}

怎么也得是if(j<=i)吧