构建form，保护隐私数据传递给本身，并且通过pre_init改变theme

来源：互联网发布：网络传播与策划刘芸编辑：程序博客网时间：2024/04/26 05:50

Default.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

</head>

<body>

<div>

<asp:Button ID="Button1" runat="server" Text="Button" onclick="Button1_Click" /><br />

<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>

<asp:TextBox ID="txtName" runat="server" ></asp:TextBox>

<asp:TextBox ID="txtPwd" runat="server"></asp:TextBox>

<asp:TextBox ID="txts" runat="server"></asp:TextBox>

<br />

<asp:Label ID="Labelxu" runat="server" Text="Label"></asp:Label><br />

</div>

</form>

<%=formStr %>

</body>

</html>

Default.aspx.cs

using System;

using System.Configuration;

using System.Data;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.HtmlControls;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Text;

public partial class _Default : System.Web.UI.Page

{

protected string formStr;

protected void Page_PreInit(object sender, EventArgs e)

{

if (Request.Form["s"] != null)

{

Page.Theme = Request.Form["s"].ToString();

}

protected void Page_Load(object sender, EventArgs e)

{

}

protected void Button1_Click(object sender, EventArgs e)

{

StringBuilder sb = new StringBuilder();

sb.Append("<form id='tempForm' name='tempForm' action='Default.aspx' method='post'>");

//sb.Append("<form id='tempForm' name='tempForm' action='Default.aspx' method='post' target='_blank' >");

sb.Append("<input type='hidden' name='userName' value='" + txtName.Text.ToString() + "'>");

sb.Append("<input type='hidden' name='userPwd' value='" + txtPwd.Text.ToString() + "'>");

sb.Append("<input type='hidden' name='s' value='" + txts.Text.ToString() + "'>");

sb.Append("<input type='text' name='texttemp' value='我是来自tempform'>");

sb.Append("</form>");

//sb.Append("</form><script>document.getElementById('tempForm').submit();</script>");

formStr = sb.ToString();

//Response.Write(formStr);

//这里构造的form是临时生成的，因为有submit,所以页面提交后，接受页面又是其本身，而本身接受后，只能按照固定的form来构造html。所以submit后，看不见构造的tempform.

//可以尝试删去submit,看看是否会生成，结果的确是会生成html。

}

protected void TextBox2_TextChanged(object sender, EventArgs e)

{

}