<%@ Page Language="C#" AutoEventWireup="true" CodeFile="TestSearch.aspx.cs" Inherits="TestSearch" %>
<%@ Register TagPrefix="asp" Namespace="AjaxControlToolkit" Assembly="AjaxControlToolkit" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<script type="text/javascript">
function OnTxtPersonInfoKeyDown() {
var val = document.getElementById("<%=TextBox1.ClientID %>").value;
var NameClientID = "<%=AutoCompleteExtender1.ClientID %>";
var acName = $find(NameClientID);
if (acName != null) {
acName.set_contextKey(val);
}
}
function OnTxtPersonInfoKeyDown2() {
var val = document.getElementById("<%=TextBox2.ClientID %>").value;
var NameClientID = "<%=AutoCompleteExtender2.ClientID %>";
var acName = $find(NameClientID);
if (acName != null) {
acName.set_contextKey(val);
}
}
</script>
</head>
<body>
<form runat="server">
<div>
<asp:ToolkitScriptManager runat="Server" />
<asp:TextBox runat="server"></asp:TextBox>
<asp:AutoCompleteExtender runat="server"
TargetControlID="TextBox1"
CompletionSetCount="10"
EnableCaching="false"
FirstRowSelected="true"
UseContextKey="True"
MinimumPrefixLength="0"
CompletionInterval="100"
ServicePath="WebService.asmx"
ServiceMethod="GetEnglishName">
</asp:AutoCompleteExtender>
<br />
<asp:TextBox runat="server"></asp:TextBox>
<asp:AutoCompleteExtender runat="server"
TargetControlID="TextBox2"
CompletionSetCount="10"
EnableCaching="false"
FirstRowSelected="true"
UseContextKey="True"
MinimumPrefixLength="0"
CompletionInterval="100"
ServicePath="WebService.asmx"
ServiceMethod="GetEnglishName">
</asp:AutoCompleteExtender>
</div>
</form>
</body>
</html>
aspx.cs
复制代码 代码如下:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class TestSearch : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
TextBox1.Attributes.Add("onkeydown", "return OnTxtPersonInfoKeyDown();");
TextBox2.Attributes.Add("onkeydown", "return OnTxtPersonInfoKeyDown2();");
}
}
webservice.asmx.cs
复制代码 代码如下:
<%@ WebService Language="C#" %>
using System;
using System.Web;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Web.Script.Services;
using System.Data;
using System.Data.SqlClient;
using System.Collections.Generic;
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
// 若要允许使用 ASP.NET AJAX 从脚本中调用此 Web 服务，请取消注释以下行。
[System.Web.Script.Services.ScriptService]
public class WebService : System.Web.Services.WebService
{
//从数据库中读取匹配信息
[WebMethod]
[ScriptMethod]
public string[] GetEnglishName(string prefixText, int count, string contextKey)
{
SQLHelper sqlH = new SQLHelper();
//contextKey = "t";
string strSql = " select [EnglishName] from [Employee] where [LeftDate] is null and [EnglishName] like '" + contextKey + "%' order by [EnglishName] ";
DataTable dt = sqlH.ExecuteQuery(strSql, CommandType.Text);
List<string> suggestions = new List<string>();//声明一泛型集合
suggestions.Clear();
if (dt.Rows.Count > 0)
{
for (int i = 0; i < dt.Rows.Count; i++)
{
suggestions.Add(dt.Rows[i][0].ToString());
}
}
return suggestions.ToArray();
}
}
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