动态添加控件TextBox2

来源：互联网发布：matlab三角波编程编辑：程序博客网时间：2024/04/28 12:29

<%@ 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">

</head>

<body>

<div>

<asp:Button ID="Button1" Style="z-index: 101; left: 64px; position: absolute; top: 184px"

runat="server" Text="增加一个TextBox" OnClick="Button1_Click"></asp:Button>

<asp:Button ID="Button2" Style="z-index: 102; left: 248px; position: absolute; top: 184px"

runat="server" Text="提取全部TextBox的值" Width="200px" OnClick="Button2_Click"></asp:Button>

<asp:TextBox ID="txt" Style="z-index: 103; left: 472px; position: absolute; top: 184px"

runat="server" ReadOnly="True"></asp:TextBox>

</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)

{

// 在此处放置用户代码以初始化页面

if (Page.IsPostBack)

{

for (int i = 0; i < this.TextBoxsList.Count; i++)

{

string txtID = this.TextBoxsList[i].ToString();

TextBox tmp = new TextBox();

tmp.ID = txtID;

Page.Form.Controls.Add(tmp);

tmp.Text = Request.Form[txtID].ToString();

}

private ArrayList TextBoxsList

{

get

{

if (ViewState["myTextBoxsList"] == null)

return new ArrayList();

else

return ViewState["myTextBoxsList"] as ArrayList;

}

set

{

ViewState["myTextBoxsList"] = value;

}

private TextBox[][] MyTextBoxs = new TextBox[][] { new TextBox[] { }, new TextBox[] { }, new TextBox[] { } };

protected void Button2_Click(object sender, EventArgs e)

{

foreach (Control ctl in Page.Form.Controls)

{

if (ctl.GetType().Name == "TextBox")

{

if (ctl.ID != "txt")

{

Response.Write(((TextBox)ctl).Text);

}

protected void Button1_Click(object sender, EventArgs e)

{

TextBox tmp = new TextBox();

tmp.ID = "TextBox" + this.TextBoxsList.Count.ToString();

//Page.Controls[1].Controls.Add(tmp);

Page.Form.Controls.Add(tmp);

ArrayList array = this.TextBoxsList;

array.Add(tmp.ID);

this.TextBoxsList = array;

}