极乐门资源网 Design By www.ioogu.com
效果:
.aspx:
复制代码 代码如下:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<asp:DropDownList ID="DropDownListYesNo" runat="server" AutoPostBack="true" OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged">
</asp:DropDownList>
<asp:TextBox ID="TextBox1" runat="server" Enabled="true"></asp:TextBox>
</form>
</body>
</html>
.aspx.cs:
复制代码 代码如下:
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
Data_Binding();
}
}
private void Data_Binding()
{
this.DropDownListYesNo.DataSource = GetData().Select(yn => new { value = yn }).ToList();
this.DropDownListYesNo.DataTextField = "value";
this.DropDownListYesNo.DataBind();
}
protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
{
switch (this.DropDownListYesNo.SelectedItem.Text)
{
case "YES":
this.TextBox1.Enabled = true;
break;
case "NO":
this.TextBox1.Enabled = false;
this.TextBox1.Text = string.Empty;
break;
}
}
private List<string> GetData()
{
List<string> yn = new List<string>();
yn.Add("YES");
yn.Add("NO");
return yn;
}
}
.aspx:
复制代码 代码如下:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<asp:DropDownList ID="DropDownListYesNo" runat="server" AutoPostBack="true" OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged">
</asp:DropDownList>
<asp:TextBox ID="TextBox1" runat="server" Enabled="true"></asp:TextBox>
</form>
</body>
</html>
.aspx.cs:
复制代码 代码如下:
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
Data_Binding();
}
}
private void Data_Binding()
{
this.DropDownListYesNo.DataSource = GetData().Select(yn => new { value = yn }).ToList();
this.DropDownListYesNo.DataTextField = "value";
this.DropDownListYesNo.DataBind();
}
protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
{
switch (this.DropDownListYesNo.SelectedItem.Text)
{
case "YES":
this.TextBox1.Enabled = true;
break;
case "NO":
this.TextBox1.Enabled = false;
this.TextBox1.Text = string.Empty;
break;
}
}
private List<string> GetData()
{
List<string> yn = new List<string>();
yn.Add("YES");
yn.Add("NO");
return yn;
}
}
极乐门资源网 Design By www.ioogu.com
极乐门资源网
免责声明:本站文章均来自网站采集或用户投稿,网站不提供任何软件下载或自行开发的软件!
如有用户或公司发现本站内容信息存在侵权行为,请邮件告知! 858582#qq.com
极乐门资源网 Design By www.ioogu.com
暂无asp.net中通过DropDownList的值去控制TextBox是否可编写的实现代码的评论...
更新日志
2025年01月27日
2025年01月27日
- 小骆驼-《草原狼2(蓝光CD)》[原抓WAV+CUE]
- 群星《欢迎来到我身边 电影原声专辑》[320K/MP3][105.02MB]
- 群星《欢迎来到我身边 电影原声专辑》[FLAC/分轨][480.9MB]
- 雷婷《梦里蓝天HQⅡ》 2023头版限量编号低速原抓[WAV+CUE][463M]
- 群星《2024好听新歌42》AI调整音效【WAV分轨】
- 王思雨-《思念陪着鸿雁飞》WAV
- 王思雨《喜马拉雅HQ》头版限量编号[WAV+CUE]
- 李健《无时无刻》[WAV+CUE][590M]
- 陈奕迅《酝酿》[WAV分轨][502M]
- 卓依婷《化蝶》2CD[WAV+CUE][1.1G]
- 群星《吉他王(黑胶CD)》[WAV+CUE]
- 齐秦《穿乐(穿越)》[WAV+CUE]
- 发烧珍品《数位CD音响测试-动向效果(九)》【WAV+CUE】
- 邝美云《邝美云精装歌集》[DSF][1.6G]
- 吕方《爱一回伤一回》[WAV+CUE][454M]