就是说,我希望每动态生成一个控件,就自动换行一次。就是不知道Response.Write("<br />");写在哪里。在线等。
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class test: System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
//还原控件
RestoreTextBox();
}
//静态变量存储控件列表
static List<TextBox> txtlist = new List<TextBox>();
//控件id
static int id = 1;
protected void Button1_Click(object sender, EventArgs e)
{
Response.Write("<br /");
var txt = new TextBox
{
ID = id.ToString(),
Text = "Sample textbox " + id.ToString()
};
this.Panel1.Controls.Add(txt);
txtlist.Add(txt);
//id自增1
id++;
}
/// <summary>
/// 还原控件
/// </summary>
void RestoreTextBox()
{
foreach (var item in txtlist)
{
if (item != null)
{
this.Panel1.Controls.Add(item);
}
}
}
/// <summary>
/// 读取textbox的值
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void id2_Click(object sender, EventArgs e)
{
foreach (Control item in Panel1.Controls)
{
if (item is TextBox)
{
Response.Write((item as TextBox).Text + "</br>");
}
}
}
}
页面源码:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="动态生成textbox控件1.aspx.cs" Inherits="test" %>
<!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></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Button ID="button1" runat="server" Text="创建" onclick="Button1_Click" />
<asp:Panel ID="Panel1" runat="server">
</asp:Panel>
<asp:Button ID="id2" runat="server" Text="获取所有值" onclick="id2_Click" />
</div>
</form>
</body>
</html>