c#1到10的阶乘

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace 阶乘
{
class Program
{
static void Main(string[] args)
{
int sum=1;
for (int i = 1; i <= 10; i++)
sum *= i;
Console.WriteLine(sum);
}
}
}
如果仅仅是要简单的话,就是上面那个了吧..用递归要专业点..

using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication5 //命名空间你要改成你自己的
{
class Program
{
static void Main(string[] args)
{
Console.WriteLine("下面输出1到10的阶乘：");
for (int i = 1; i <= 10; i++)
{
Console.WriteLine(i+"!="+JC(i));
}
Console.ReadLine();
}

static int JC(int n)