数据绑定

来源：互联网发布：细说php第一版与第二版编辑：程序博客网时间：2024/06/15 15:59

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class _Default : System.Web.UI.Page
{
    private string color;
    public string Color
    {
        get { return this.color; }
    }
    protected string color1;
    protected string js;
    protected string size;
    protected string ti = "1111111111";
    protected string GetStyleOfBody()
    {
        return "background-color:" + this.DropDownList1.SelectedValue + ";font-size:" + size;
    }
    protected void Page_Load(object sender, EventArgs e)
    {

        js = "<script>alert('aaaaaa');</script>";
        size = "50px";
        color = "green";
        color1 = "red";
        if(!this.IsPostBack)
        {
        this.DropDownList1.Items.Add(new ListItem("红色","red"));
        this.DropDownList1.Items.Add(new ListItem("绿色","green"));
        }
        this.DataBind();//把#改为=时可以不用写这句
    }
}

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!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='<%#GetStyleOfBody() %>'>
<%= "this title"+ti %>
    <form id="form1" runat="server">
    <div style="background:<%#color1%>">
     dsadsadsdsa的撒旦撒旦撒大大撒旦撒旦撒

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


    </div>
    </form>
</body>
</html>
<%--<%# js %>--%>