很简单的AutoCompleteExtender不触发问题
这是页面代码
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %><%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="asp" %><!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></title></head><body> <form id="form1" runat="server"> <div> <asp:ScriptManager ID="d1" runat="server"> <Services> <asp:ServiceReference Path="~/WebService.asmx"/> </Services> </asp:ScriptManager> <asp:TextBox ID="TextBox1" runat="server" ></asp:TextBox> <ajax:AutoCompleteExtender runat="server" TargetControlID="TextBox1" MinimumPrefixLength="1" ServicePath="WebService.asmx" ServiceMethod="GetHotSearchKeywords"> </ajax:AutoCompleteExtender> </div> </form></body></html>
<%@ WebService Language="C#" CodeBehind="~/App_Code/WebService.cs" Class="WebService" %>
using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.Services;/// <summary>///WebService 的摘要说明/// </summary>[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，请取消对下行的注释。 [System.Web.Script.Services.ScriptService]public class WebService : System.Web.Services.WebService { public static string[] GetHotSearchKeywords(string keyword, int displaycount) { return Class2.GetHotSearchKeywords(keyword, displaycount); } }错误1：<ajax:AutoCompleteExtender runat="server" TargetControlID="TextBox1" MinimumPrefixLength="1" ServicePath="WebService.asmx" ServiceMethod="GetHotSearchKeywords" CompletionSetCount="10"> </ajax:AutoCompleteExtender>错误2：[WebMethod]public static string[] GetHotSearchKeywords(string keyword, int displaycount) { return Class2.GetHotSearchKeywords(keyword, displaycount); }