用iframe实现页面部分刷新

来源：互联网发布：淘宝二手网叫什么编辑：程序博客网时间：2024/04/30 18:41

<%@ 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>无标题页</title>
    <script type="text/javascript">
    function ccc()
    {
     var txt=document.forms[0].elements['ct'].value;
     var ct=document.getElementById('city');
     ct.src="cityPage.aspx?contury="+txt;
    }
    </script>
</head>
<body>
    <form id="form1" runat="server">
    <div style="text-align: center">
        <asp:TextBox ID="ct" runat="server"></asp:TextBox>
        <input id="Button1" type="button" value="哈哈" onclick="ccc()" />
        <iframe id="city" src="cityPage.aspx" frameBorder=No></iframe>
        </div>
    </form>
</body>
</html>

public partial class cityPage : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        try
        {
            string contury = Request["contury"].ToString();
            if (!string.IsNullOrEmpty(contury))
            {
                switch (contury)
                {
                    case "usa":
                        {
                            this.DropDownList1.Items.Clear();
                            this.DropDownList1.Items.Add("旧金山");
                            this.DropDownList1.Items.Add("底特律");
                            break;
                        }
                    case "china":
                        {
                            this.DropDownList1.Items.Add("湖北");
                            this.DropDownList1.Items.Add("河北");
                            this.DropDownList1.Items.Add("北京");
                            this.DropDownList1.Items.Add("上海");
                            this.DropDownList1.Items.Add("广东");
                            this.DropDownList1.Items.Add("浙江");
                            break;
                        }
                    default:
                        {
                            this.DropDownList1.Items.Add("我靠哦没有你想的东西哦");
                            break;
                        }
                }
            }
        }
        catch (Exception ee)
        {
            Response.Write(ee.Message);
        }
    }
}