實(shí)現(xiàn)無刷新聯(lián)動(dòng)例子匯總
Iframe實(shí)現(xiàn)無刷新聯(lián)動(dòng)
iframe的無刷新其實(shí)是局部刷新,狀態(tài)欄的滾動(dòng)條還是會(huì)滾動(dòng),只是頁面不會(huì)閃爍,這是一種比較老的技術(shù)了,在處理的數(shù)據(jù)兩大的時(shí)候會(huì)比較慢,在本例中需要兩個(gè)頁面:index.aspx和frame.asapx,index.aspx用來顯示界面,其中有一個(gè)iframe標(biāo)記,指向frame.aspx頁用來顯示結(jié)果
index.aspx前臺(tái)代碼
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Index.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 id="Head1" runat="server">
<title>無標(biāo)題頁</title>
<script type="text/javascript">
function Query() {
var ddlpro = document.getElementById('ddlPro');
var pro = ddlpro.options[ddlpro.selectedIndex].innerText;
if (pro != "") {
document.getElementById("iframe1").src = "frame.aspx?Pro=" + pro;
}
}
</script>
</head>
<body>
<form id="form2" runat="server">
<div>
<table border="1" cellpadding="3" cellspacing="0" width="600px">
<tr>
<td colspan="2" align="center">
Iframe實(shí)現(xiàn)局部刷新
</td>
</tr>
<tr>
<td>
省份名稱:
</td>
<td>
<select id="ddlPro" style="width: 201px">
<option value="湖北">湖北</option>
<option value="河北">河北</option>
<option value="廣東">廣東</option>
<option value="河南">河南</option>
</select>
<input id="Button3" type="button" value="查詢" onclick="Query()" />
</td>
</tr>
<tr>
<td>
顯示城市列表
</td>
<td>
<iframe src="frame.aspx" style="text-align: center" id="iframe1" width="100%"
height="100%" frameborder="0" scrolling="no" />
</td>
</tr>
</table>
</div>
</form>
</body>
</html>
frame.aspx的前臺(tái)代碼:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="frame.aspx.cs" Inherits="myframe" %>
<!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 id="Head1" runat="server">
<title>無標(biāo)題頁</title>
</head>
<body>
<form id="form2" runat="server">
<div>
<asp:DropDownList ID="ddlCity" runat="server" Width="179px">
</asp:DropDownList>
</div>
</form>
</body>
</html>
frame.aspx后臺(tái)代碼:
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class myframe : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
string pro = Request.QueryString["pro"];
switch (pro)
{
case "湖北":
this.ddlCity.Items.Clear();
this.ddlCity.Items.Add("武漢");
this.ddlCity.Items.Add("黃岡");
this.ddlCity.Items.Add("黃石");
this.ddlCity.Items.Add("襄樊");
break;
case "河北":
this.ddlCity.Items.Clear();
this.ddlCity.Items.Add("石家莊");
this.ddlCity.Items.Add("唐山");
this.ddlCity.Items.Add("承德");
this.ddlCity.Items.Add("邯鄲");
break;
case "廣東":
this.ddlCity.Items.Clear();
this.ddlCity.Items.Add("廣州");
this.ddlCity.Items.Add("佛山");
this.ddlCity.Items.Add("深圳");
this.ddlCity.Items.Add("珠海");
break;
case "河南":
this.ddlCity.Items.Clear();
this.ddlCity.Items.Add("鄭州");
this.ddlCity.Items.Add("新鄉(xiāng)");
this.ddlCity.Items.Add("安陽");
this.ddlCity.Items.Add("信陽");
break;
}
}
}
JavaScript無刷新聯(lián)動(dòng)
前臺(tái)頁面代碼:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="index.aspx.cs" Inherits="jacascript_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 id="Head1" runat="server">
<title>無標(biāo)題頁</title>
<script type="text/javascript">
function FillData(strcity) {
document.getElementById("ddlCity").options.length = 0;
var indexofcity;
var city;
while (strcity.length > 0) {
indexofcity = strcity.indexOf(",");
if (indexofcity > 0) {
city = strcity.substring(0, indexofcity);
strcity = strcity.substring(indexofcity + 1);
document.getElementById("ddlCity").add(new Option(city, city));
}
else {
document.getElementById("ddlCity").add(new Option(strcity, strcity));
break;
}
}
}
</script>
</head>
<body>
<form id="form2" runat="server">
<div>
<table width="700px" border="1" cellpadding="5" cellspacing="0">
<tr>
<td colspan="2" align="center">
腳本方法實(shí)現(xiàn)刷新
</td>
</tr>
<tr>
<td>
選擇省份:
</td>
<td>
<select id="ddlPro" style="width: 201px">
<option value="湖北">湖北</option>
<option value="河北">河北</option>
<option value="廣東">廣東</option>
<option value="河南">河南</option>
</select>
<input id="btnQuery" type="button" value=" 查詢" onclick="City()" />
</td>
</tr>
<tr>
<td>
城市:
</td>
<td>
<asp:DropDownList ID="ddlCity" runat="server" Width="201px">
</asp:DropDownList>
</td>
</tr>
</table>
</div>
</form>
</body>
</html>
后臺(tái)代碼:
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Text;
public partial class jacascript_Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
StringBuilder myscript = new StringBuilder();
myscript.Append("function City() {\n");
myscript.Append("var ddlpro=document.getElementById('ddlPro');\n");
myscript.Append("var pro=ddlpro.options[ddlpro.selectedIndex].innerText;\n");
//myscript.Append("var pro=document.getElementById('txtPro').value;\n");
myscript.Append("switch(pro) { \n");
myscript.Append("case '湖北':\n");
myscript.Append("FillData('" + GetCityStr("湖北") + "');\n");
myscript.Append("break;\n");
myscript.Append("case '河北':\n");
myscript.Append("FillData('" + GetCityStr("河北") + "');\n");
myscript.Append("break;\n");
myscript.Append("case '廣東':\n");
myscript.Append("FillData('" + GetCityStr("廣東") + "');\n");
myscript.Append("break;\n");
myscript.Append("case '河南':\n");
myscript.Append("FillData('" + GetCityStr("河南") + "');\n");
myscript.Append("break;}\n");
myscript.Append("}\n");
Page.ClientScript.RegisterClientScriptBlock(typeof(string), "city", myscript.ToString(), true);
}
private string GetCityStr(string pro)
{
string city = "";
switch (pro)
{
case "湖北":
city = "武漢,黃岡,黃石,襄樊";
break;
case "河北":
city = "石家莊,唐山,承德,邯鄲";
break;
case "廣東":
city = "廣州,佛山,深圳,珠海";
break;
case "河南":
city = "鄭州,新鄉(xiāng),安陽,信陽";
break;
}
return city;
}
}
CallBack無刷新聯(lián)動(dòng)
前臺(tái)代碼:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="index.aspx.cs" Inherits="callback_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 id="Head1" runat="server">
<title>無標(biāo)題頁</title>
<script type="text/javascript">
function FillData()
{
var ddlpro=document.getElementById('ddlPro');
var pro=ddlpro.options[ddlpro.selectedIndex].value;
<% =ClientScript.GetCallbackEventReference(this,"pro","FillDll",null) %>
}
function FillDll(strcity)
{
document.getElementById("ddlCity").options.length=0;
var indexofcity;
var city;
while(strcity.length>0)
{
indexofcity=strcity.indexOf(",");
if(indexofcity>0)
{
city=strcity.substring(0,indexofcity);
strcity=strcity.substring(indexofcity+1);
document.getElementById("ddlCity").add(new Option(city,city));
}
else
{
document.getElementById("ddlCity").add(new Option(strcity,strcity));
break;
}
}
}
</script>
</head>
<body>
<form id="form2" runat="server">
<div>
<table width="700px" border="1" cellpadding="5" cellspacing="0">
<tr>
<td colspan="2" align="center">
callback方法實(shí)現(xiàn)刷新
</td>
</tr>
<tr>
<td>
選擇省份:
</td>
<td>
<select id="ddlPro" style="width: 200px">
<option value="湖北">湖北</option>
<option value="河北">河北</option>
<option value="廣東">廣東</option>
<option value="河南">河南</option>
</select>
<input id="btnQuery" type="button" value=" 查詢" onclick="FillData()" />
</td>
</tr>
<tr>
<td>
城市:
</td>
<td>
<asp:DropDownList ID="ddlCity" runat="server" Width="201px">
</asp:DropDownList>
</td>
</tr>
</table>
</div>
</form>
</body>
</html>
后臺(tái)代碼:
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class callback_Default : System.Web.UI.Page,ICallbackEventHandler
{
private string _data;
protected void Page_Load(object sender, EventArgs e)
{
}
ICallbackEventHandler 成員
}
Ajax無刷新聯(lián)動(dòng)
該例子也要用到兩個(gè)頁面:oec203index.aspx和datapage.aspx. datapage.aspx主要用來回送要顯示的數(shù)據(jù)
.aspx頁面前臺(tái)代碼:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="index.aspx.cs" Inherits="ajax_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 id="Head1" runat="server">
<title>無標(biāo)題頁</title>
<script type="text/javascript">
var xmlhttp;
function getData() {
var ddlpro = document.getElementById("ddlPro");
var pro = ddlpro.options[ddlpro.selectedIndex].innerText;
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
xmlhttp.onreadystatechange = statechange;
xmlhttp.Open("GET", "datapage.aspx?pro=" + pro, true);
xmlhttp.Send();
}
function statechange() {
if (xmlhttp.readystate == 4) {
if (xmlhttp.status == 200) {
FillData(xmlhttp.responseText);
}
}
}
function FillData(strcity) {
document.getElementById("ddlCity").options.length = 0;
var indexofcity;
var city;
while (strcity.length > 0) {
indexofcity = strcity.indexOf(",");
if (indexofcity > 0) {
city = strcity.substring(0, indexofcity);
strcity = strcity.substring(indexofcity + 1);
document.getElementById("ddlCity").add(new Option(city, city));
}
else {
document.getElementById("ddlCity").add(new Option(strcity, strcity));
break;
}
}
}
</script>
</head>
<body>
<form id="form2" runat="server">
<div>
<table width="700px" border="1" cellpadding="5" cellspacing="0">
<tr>
<td colspan="2" align="center">
ajax方法實(shí)現(xiàn)刷新
</td>
</tr>
<tr>
<td>
選擇省份:
</td>
<td>
<select id="ddlPro" style="width: 201px">
<option value="湖北">湖北</option>
<option value="河北">河北</option>
<option value="廣東">廣東</option>
<option value="河南">河南</option>
</select>
<input id="btnQuery" type="button" value=" 查詢" onclick="getData()" />
</td>
</tr>
<tr>
<td>
城市:
</td>
<td>
<asp:DropDownList ID="ddlCity" runat="server" Width="201px">
</asp:DropDownList>
</td>
</tr>
</table>
</div>
</form>
</body>
</html>
datapage.aspx后臺(tái)代碼:
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class ajax_datapage : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
string pro = Request.QueryString["pro"];
Response.Clear();
switch (pro)
{
case "湖北":
Response.Write("武漢,黃岡,黃石,襄樊");
break;
case "河北":
Response.Write("石家莊,唐山,承德,邯鄲");
break;
case "廣東":
Response.Write("廣州,佛山,深圳,珠海");
break;
case "河南":
Response.Write("鄭州,新鄉(xiāng),安陽,信陽");
break;
}
}
}
以上所述就是本文的全部?jī)?nèi)容了,希望大家能夠喜歡。
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