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VB AJAX Toolkit Autocomplete extenderwon't work

Softacid asked
Last Modified: 2012-05-08
Hello i'm beginner in  VB.Net i tried to use the AJAX Toolkit Autocomplete extender with Web service .
The webservice works in browser and return the good results .. the textbox not working ..
Here's the code:


<%@ Page Language="VB" AutoEventWireup="true" CodeFile="default.aspx.vb" 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 id="Head1" runat="server">
    <title>Untitled Page</title>
    <form id="form1" runat="server">
    <asp:ScriptManager ID="ScriptManager1" runat="server">
            <asp:ServiceReference Path="~/WebService.asmx" />
        <asp:AutoCompleteExtender ID="AutoCompleteExtender1" ServicePath="~/WebService.asmx" ServiceMethod="GetCompletionList" MinimumPrefixLength="1" TargetControlID="tbInsert" CompletionInterval="1000" CompletionSetCount="20" runat="server" EnableCaching="true">
        <asp:TextBox ID="tbInsert" runat="server" ></asp:TextBox>


<%@ WebService Language="VB" Class="autocomplete" %>
Imports System.Web
Imports System.Web.Services
Imports System.Web.Services.Protocols
Imports System.Data
Imports System.Data.SqlClient
Imports System.Data.SqlTypes
Imports System.Data.Common
Imports System.Collections.Generic

<WebService(Namespace:="http://tempuri.org/")> _
<WebServiceBinding(ConformsTo:=WsiProfiles.BasicProfile1_1)> _
<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
<System.Web.Script.Services.ScriptService()> _
Public Class autocomplete
    Inherits System.Web.Services.WebService

    <WebMethod()> _
    Public Function GetCompletionList(ByVal prefixText As String) As String()

        Dim con As SqlConnection

        con = New SqlConnection(ConfigurationManager.ConnectionStrings("mesteriConnectionString").ConnectionString)

        Dim dr As SqlDataReader

        Dim cmd As SqlCommand

        cmd = New SqlCommand("SELECT meserie FROM categorii WHERE meserie Like '" & prefixText & "%' ", con)


        dr = cmd.ExecuteReader()

        Dim items As New List(Of String)

        While (dr.Read())


        End While


        Return items.ToArray

    End Function

End Class

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