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用iframe实现页面部分刷新

2008-02-22 22:11 330 查看

<%@ 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);
}
}
}

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