asp.net 4.5 practice~test4-7

webform1.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="test4_7.WebForm1" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        长方形的长：<asp:TextBox ID="rect_long" runat="server"></asp:TextBox>
        <br />
        长方形的宽：<asp:TextBox ID="rect_width" runat="server"></asp:TextBox>
        <br />
        <asp:Button ID="btn_perimeter" runat="server" Text="计算周长" OnClick="btn_perimeter_Click"  />
        <asp:Button ID="btn_area" runat="server" Text="计算面积" OnClick="btn_area_Click" />
        <br />
        <asp:Label ID="Label1" runat="server"></asp:Label>
    </div>
    </form>
</body>
</html>

webform1.aspx.cs

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

namespace test4_7
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        protected void btn_perimeter_Click(object sender, EventArgs e)
        {
            int result = (int.Parse(rect_long.Text) + int.Parse(rect_width.Text)) * 2;
            Label1.Text = "长方形计算周长的结果是： " + result.ToString();
        }

        protected void btn_area_Click(object sender, EventArgs e)
        {
            int result = int.Parse(rect_long.Text) * int.Parse(rect_width.Text);
            Label1.Text = "长方形计算面积的结果是：" + result.ToString();
        }
    }
}

asp.net 4.5 practice~test4-7

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