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简单数据绑定

2012-11-30 14:28 134 查看

前台

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="dataBind1.aspx.cs" Inherits="ASPdotNetSUPPER1.dataBind1" %>

<!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 style='background-color:<%# this.DropDownList1.SelectedValue%>'>

<form id="form1" runat="server">

<div>

<asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="True">

</asp:DropDownList>

</div>

</form>

</body>

</html>

<%#js %>

后台

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

namespace ASPdotNetSUPPER1

{

public partial class dataBind1 : System.Web.UI.Page

{

private string color;

public string Color

{

get { return this.color; }

}

protected string js;

protected void Page_Load(object sender, EventArgs e)

{

color = "blue";

js = "<script>alert('hello bind!');</script>";

if (!IsPostBack)

{

this.DropDownList1.Items.Add(new ListItem("红色", "red"));

this.DropDownList1.Items.Add(new ListItem("蓝色","blue"));

}

this.DataBind();

}

}

}

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