C#基础实例

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class Default5 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{

}

protected void Button1_Click(object sender, EventArgs e)
{
int i_g, i_s, i_b, i_num;
string str_result = "水仙花数有：";
Boolean b_flag = false;
for (i_num=100; i_num < 999; i_num++)
{
i_g = (i_num % 10);
i_s = ((i_num / 10) % 10);
i_b = (i_num / 100);
if ((i_g * i_g * i_g) + (i_s * i_s * i_s) + (i_b * i_b * i_b) == i_num)
{

b_flag = true;
str_result += (i_num + ",");
}

}
if (b_flag == true)
{
Label1.Text = str_result;
}
else {
Label1.Text = "这个范围内没有水仙花数";
}

}
}