c#:前台动态添加文本框，后台获取文本框内容
前台代码：
<%@ 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>
<title>
</title>
<head>
</head>
<body >
<form id="form1" runat="server">
<asp:Button ID="Button1" runat="server" Text="Button" onclick="Button1_Click" OnClientClick="getsub()" />
<script language="javascript" type="text/javascript">
var count=0 ;
function additem(id)
{
var row,cell,str;
row = document.getElementById(id).insertRow();
if(row != null )
{
cell = row.insertCell();
cell.innerHTML="<input id=\"St"+count+"\" type=\"text\" name=\"St"+count+"\" value= \"St"+count+"\"><input type=\"button\" value=\"删除\" onclick=\'deleteitem(this);\'>";
count ++;
}
}
function deleteitem(obj)
{
var curRow = obj.parentNode.parentNode;
tb.deleteRow(curRow.rowIndex);
}
function getsub()
{
var re="";
for (var i = 0 ;i<count;i++)
{
re += document.getElementsByName("St"+i)[0].value;
}
document.getElementById("Hidden1").value=re;
}
</script><table id="tb"></table>
<input name="button" type="button" onclick='additem("tb")' value="添加>>"/><input type="submit" name="submit" onclick="getsub()" value="提交"/>
<input id="Hidden1" name="Hidden1" type="hidden" value="" />
</form>
</body>
</html>
后台代码：
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Linq;
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;
using System.Xml.Linq;
public partial class Default2 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
string aa = Request.Form["Hidden1"];
}
}
<%@ 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>
<title>
</title>
<head>
</head>
<body >
<form id="form1" runat="server">
<asp:Button ID="Button1" runat="server" Text="Button" onclick="Button1_Click" OnClientClick="getsub()" />
<script language="javascript" type="text/javascript">
var count=0 ;
function additem(id)
{
var row,cell,str;
row = document.getElementById(id).insertRow();
if(row != null )
{
cell = row.insertCell();
cell.innerHTML="<input id=\"St"+count+"\" type=\"text\" name=\"St"+count+"\" value= \"St"+count+"\"><input type=\"button\" value=\"删除\" onclick=\'deleteitem(this);\'>";
count ++;
}
}
function deleteitem(obj)
{
var curRow = obj.parentNode.parentNode;
tb.deleteRow(curRow.rowIndex);
}
function getsub()
{
var re="";
for (var i = 0 ;i<count;i++)
{
re += document.getElementsByName("St"+i)[0].value;
}
document.getElementById("Hidden1").value=re;
}
</script><table id="tb"></table>
<input name="button" type="button" onclick='additem("tb")' value="添加>>"/><input type="submit" name="submit" onclick="getsub()" value="提交"/>
<input id="Hidden1" name="Hidden1" type="hidden" value="" />
</form>
</body>
</html>
后台代码：
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Linq;
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;
using System.Xml.Linq;
public partial class Default2 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
string aa = Request.Form["Hidden1"];
}
}