~~~~~C#杨辉三角形，引用错误，求高手帮忙！！~~~~~~急！！！！

帮你改了改
using System;

public class abc{
static void Main(string[] args)
{
int[,] a = new int[10,10];
for (int i = 0; i < 10; i++)
{
a[i,0] = 1;
a[i,i] = 1;
}
for (int i = 2; i < 10; i++)
{
for (int j = 1; j < i; j++)
{
a[i,j] = a[i - 1,j - 1] + a[i - 1,j];
}
}
for (int i = 0; i < 10; i++)
{
for (int j = 0; j <= i; j++)
{
Console.Write(a[i,j] + "\t");
}
Console.WriteLine("\t");
}
}

}