C#简单析因程序 [英] c# SIMPLE factorial program

问题描述

private void button1_Click(object sender, EventArgs e)
{
        String UserNumber = this.textBox1.Text;
        int NewUserNumber = Convert.ToInt32(UserNumber);
        int result = 0;
        int second = 0;

        while (NewUserNumber >= 1) 
        {

            result = NewUserNumber * (NewUserNumber - 1);
            NewUserNumber--;
        }
        String i = Convert.ToString(result);
        this.textBox2.Text = i;
    }
}

虽然我知道这对我来说是家庭作业，但我被困住了.我真的真的不想解决这个问题，我想自己解决.

While I understand this is homework for me, I am stuck. I really really don't want this solved, I want to do it myself.

我不明白为什么它不起作用.不管我输入什么，它都会输出2.

I don't understand why it's not working.. It's outputting 2 no matter what I put in.

我可以用Java轻松地做到这一点，但是转换就交给我了.

I could do this in Java easily but the converting gets to me..

任何帮助都会很棒.

推荐答案

您的问题不在转换中.请看

Your problem is not in the conversion. Please look at

result = NewUserNumber * (NewUserNumber - 1);

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