DataList中嵌套了DropDownList。此时需要实现选择DDL中的值，在DataList外有个Label
DataList中嵌套了DropDownList。此时需要实现选择DDL中的值，在DataList外有个Label吧。把DDL的值输出到Label中，如果DDL选择别的值...
DataList中嵌套了DropDownList。此时需要实现选择DDL中的值，在DataList外有个Label吧。把DDL的值输出到Label中，如果DDL选择别的值，那么就清除之前的输出，输出新选择的值。当然，DataList中肯定是有多行DropDownList的，一行也可能会有几个DropDownList。。怎么实现？http://maq.tw/order 这个页面。急！！！
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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="DataListExample.aspx.cs"
Inherits="DataListExample" %>
<!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>DataList</title>
<script src="Scripts/jquery-1.5.1.js" type="text/javascript"></script>
<script type="text/javascript">
$(function() {
$("#dList select").change(function() {
//$("#lfont").html(this.value); // value
$("#lfont").html($("option:selected", this).text()); // text
});
});
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
label:
<asp:Label ID="lfont" runat="server"></asp:Label>
<asp:DataList ID="dList" runat="server">
<ItemTemplate>
<asp:DropDownList ID="d1" runat="server">
<asp:ListItem Value="hi">hi</asp:ListItem>
<asp:ListItem Value="hello">hello</asp:ListItem>
<asp:ListItem Value="how are you doing?">how are you doing?</asp:ListItem>
</asp:DropDownList>
<asp:DropDownList ID="d2" runat="server">
<asp:ListItem Value="hi morning!">hi morning!</asp:ListItem>
<asp:ListItem Value="hello morning!">hello morning!</asp:ListItem>
<asp:ListItem Value="how are you doing?">how are you doing?</asp:ListItem>
</asp:DropDownList>
</ItemTemplate>
</asp:DataList>
</div>
</form>
</body>
</html>
后台代码：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class DataListExample : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (IsPostBack) return;
dList.DataSource = "abcdefg";
dList.DataBind();
}
}
Inherits="DataListExample" %>
<!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>DataList</title>
<script src="Scripts/jquery-1.5.1.js" type="text/javascript"></script>
<script type="text/javascript">
$(function() {
$("#dList select").change(function() {
//$("#lfont").html(this.value); // value
$("#lfont").html($("option:selected", this).text()); // text
});
});
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
label:
<asp:Label ID="lfont" runat="server"></asp:Label>
<asp:DataList ID="dList" runat="server">
<ItemTemplate>
<asp:DropDownList ID="d1" runat="server">
<asp:ListItem Value="hi">hi</asp:ListItem>
<asp:ListItem Value="hello">hello</asp:ListItem>
<asp:ListItem Value="how are you doing?">how are you doing?</asp:ListItem>
</asp:DropDownList>
<asp:DropDownList ID="d2" runat="server">
<asp:ListItem Value="hi morning!">hi morning!</asp:ListItem>
<asp:ListItem Value="hello morning!">hello morning!</asp:ListItem>
<asp:ListItem Value="how are you doing?">how are you doing?</asp:ListItem>
</asp:DropDownList>
</ItemTemplate>
</asp:DataList>
</div>
</form>
</body>
</html>
后台代码：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class DataListExample : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (IsPostBack) return;
dList.DataSource = "abcdefg";
dList.DataBind();
}
}
参考资料： http://code.jquery.com/jquery-1.5.1.min.js
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