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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>无标题页</title>
</head>
<body>
<form id="form1" runat="server">
<div>
密码:
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="查看密码" />
<asp:HiddenField ID="HiddenField1" runat="server" />
</div>
</form>
</body>
</html>
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class Default2 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
TextBox1.Attributes.Add("onkeypress", "var count=document.getElementById('HiddenField1').value.length;var str='';for(var i=1;i<=count;i++){str+='*'};document.getElementById('TextBox1').value=str;");
TextBox1.Attributes.Add("onkeyup", "var count=document.getElementById('HiddenField1').value.length;var str='';for(var i=1;i<=count;i++){str+='*'};document.getElementById('TextBox1').value=str;");
HiddenField1.Value = "123456";
//string str = string.Empty;
//for (int i = 1; i <= HiddenField1.Value.Length; i++)
//{
// str += "*";
//}
//TextBox1.Text = str;
}
protected void Button1_Click(object sender, EventArgs e)
{
Response.Write("您的密码是:" + HiddenField1.Value);
}
}
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>无标题页</title>
</head>
<body>
<form id="form1" runat="server">
<div>
密码:
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="查看密码" />
<asp:HiddenField ID="HiddenField1" runat="server" />
</div>
</form>
</body>
</html>
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class Default2 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
HiddenField1.Value = "123456";
string str = string.Empty;
for (int i = 1; i <= HiddenField1.Value.Length; i++)
{
str += "*";
}
TextBox1.Text = str;
}
protected void Button1_Click(object sender, EventArgs e)
{
Response.Write("您的密码是:" + HiddenField1.Value);
}
}
<asp:TextBox ID="TextBox1" runat="server" TextMode="Password"> </asp:TextBox>
TextBox1.Text="123456";