急求~!用.net做星星

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text; namespace ConsoleApplication9
{
class Program
{
static void Main(string[] args)
{
while (true)
{
Console.WriteLine("输入行数");
int n = int.Parse(Console.ReadLine());
for (int i = 0; i < n; i++)
{
for (int j = 0; j < n - i; j++)
{
Console.Write("★");
}
Console.WriteLine();
}
continue;
}
}
}
}