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asp.net 4.5 练习~test5-2
阅读量:304 次
发布时间:2019-03-03

本文共 1392 字,大约阅读时间需要 4 分钟。

    
WebForm1
密码提示问题:
请任选一项
我的出生地
我的母亲的名字
我的父亲的名字
Label
using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;namespace test5_2{    public partial class WebForm1 : System.Web.UI.Page    {        protected void Page_Load(object sender, EventArgs e)        {            Label2.Text = "答案:";        }        protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)        {            switch (DropDownList1.SelectedValue)            {                case "1":                    Label2.Text = DropDownList1.Items[DropDownList1.SelectedIndex].Text + ":";                    break;                case "2":                    Label2.Text = DropDownList1.Items[DropDownList1.SelectedIndex].Text + ":";                    break;                case "3":                    Label2.Text = DropDownList1.Items[DropDownList1.SelectedIndex].Text + ":";                    break;            }        }    }}

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