jQuery:SP.NET Autocomplete Textbox Using jQuery, JSON and AJAX
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2022-08-10 08:05:27
.net 4.0 ......
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="jQueryAutocomplete.aspx.cs" Inherits="VipWinValidation.jQueryAutocomplete" %>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>编辑管理员</title>
<meta name="viewport" content="width=device-width,minimum-scale=1.0,maximum-scale=1.0,initial-scale=1.0,user-scalable=no" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<link href="http://code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.css" rel="Stylesheet" type="text/css" />
<script type="text/javascript" src="http://code.jquery.com/jquery-1.7.2.min.js"></script>
<script type="text/javascript" src="http://code.jquery.com/ui/1.10.4/jquery-ui.js"></script>
<script type="text/javascript">
$(document).ready(function () {
$("#<% =txtCountry.ClientID%>").autocomplete({
source: function( request, response ) {
$.ajax({
url: "LoadCountry.ashx",
type: "POST",
dataType: "json",
data: {term: request.term},
success: function(data) {
response(data);
}
});
}
});
});
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
Country :
<asp:TextBox ID="txtCountry" runat="server">
</asp:TextBox>
</div>
</form>
</body>
</html>
/// <summary>
/// $codebehindclassname$ 的摘要说明
///
/// </summary>
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
public class LoadCountry : IHttpHandler
{
/// <summary>
///
/// </summary>
/// <param name="context"></param>
public void ProcessRequest(HttpContext context)
{
HttpRequest request = context.Request;
HttpResponse response = context.Response;
System.Collections.Specialized.NameValueCollection forms = context.Request.Form;
string strOperation = forms.Get("term"); //
List<string> li = Country(strOperation);
JavaScriptSerializer JS = new JavaScriptSerializer();
string sf = JS.Serialize(li);
context.Response.Write(sf);
}
/// <summary>
///
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
private List<string> Country(string input)
{
//Get the countries list from database, for this example I am creating sample output
//return GetCountriesfromDB(input);
List<string> li = new List<string>();
foreach (string s in GetCountries())
{
string st = s.ToLower();
if (st.Contains(input.ToLower()))
{
li.Add(s);
}
}
//Linq
//return GetCountries().FindAll(item => item.ToLower().Contains(input.ToLower()));
return li;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
private List<string> GetCountries()
{
List<string> CountryInformation = new List<string>();
CountryInformation.Add("India");
CountryInformation.Add("United States");
CountryInformation.Add("United Kingdom");
CountryInformation.Add("Canada");
CountryInformation.Add("South Korea");
CountryInformation.Add("France");
CountryInformation.Add("Mexico");
CountryInformation.Add("Russia");
CountryInformation.Add("Australia");
CountryInformation.Add("Turkey");
CountryInformation.Add("Kenya");
CountryInformation.Add("New Zealand");
CountryInformation.Add("涂聚文");
CountryInformation.Add("涂年生");
CountryInformation.Add("江西省");
CountryInformation.Add("江苏省");
CountryInformation.Add("浙江省");
return CountryInformation;
}
/// <summary>
///
/// </summary>
public bool IsReusable
{
get
{
return false;
}
}
}
.net 4.0
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="jQueryAutocomplete.aspx.cs" Inherits="DuCms.Web.jQueryAutocomplete" %>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>编辑管理员</title>
<meta name="viewport" content="width=device-width,minimum-scale=1.0,maximum-scale=1.0,initial-scale=1.0,user-scalable=no" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<link href="http://code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.css" rel="Stylesheet" type="text/css" />
<script type="text/javascript" src="http://code.jquery.com/jquery-1.7.2.min.js"></script>
<script type="text/javascript" src="http://code.jquery.com/ui/1.10.4/jquery-ui.js"></script>
<script type="text/javascript" language="javascript">
$(document).ready(function () {
$("#<% =txtCountry.ClientID%>").autocomplete({
source: function (request, response) {
$.ajax({
type: "POST",
contentType: "application/json; charset=utf-8",
url: "jQueryAutocomplete.aspx/LoadCountry",
data: "{input:'" + request.term + "'}",
dataType: "json",
success: function (output) {
response(output.d);
},
error: function (errormsg) {
alert(errormsg.responseText);
}
});
}
});
});
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
Country :
<asp:TextBox ID="txtCountry" runat="server">
</asp:TextBox>
</div>
</form>
</body>
</html>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.Services;
namespace DuCms.Web
{
/// <summary>
///
/// </summary>
public partial class jQueryAutocomplete : System.Web.UI.Page
{
/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Page_Load(object sender, EventArgs e)
{
}
[WebMethod]
public static List<string> LoadCountry(string input)
{
List<string> li = new List<string>();
//Get the countries list from database, for this example I am creating sample output
//return GetCountriesfromDB(input);
li = GetCountries().FindAll(item => item.ToLower().Contains(input.ToLower()));
return li;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public static List<string> GetCountries()
{
List<string> CountryInformation = new List<string>();
CountryInformation.Add("India");
CountryInformation.Add("United States");
CountryInformation.Add("United Kingdom");
CountryInformation.Add("Canada");
CountryInformation.Add("South Korea");
CountryInformation.Add("France");
CountryInformation.Add("Mexico");
CountryInformation.Add("Russia");
CountryInformation.Add("Australia");
CountryInformation.Add("Turkey");
CountryInformation.Add("Kenya");
CountryInformation.Add("New Zealand");
CountryInformation.Add("涂聚文");
CountryInformation.Add("涂年生");
CountryInformation.Add("江西省");
CountryInformation.Add("江苏省");
CountryInformation.Add("浙江省");
return CountryInformation;
}
}
}