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08/31/2009 at 09:16AM PDT, ID: 24695226
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6.4

Ajax AutoCompleteExtender not working

Asked by vvvvv1 in Scripting Languages, Web Services, WebApplications

Hi,
I have one textbox, if i type something on that textbox it should search on my database and list the matching text like in a google suggest.

I have browsed and implemented a piece of code by using AutoCompleteExtender in Ajax. But it is not working. It is showing the textbox in the browser and also allowing me to edit. but no suggestion are displaying

I am very new this technology. I require your help to implement autoCompleteextender concept.
Please find my code below and advice me for the correction

Thank you in advance.

Regards,
ven

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Default.aspx code:
 
<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %>
 
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>
 
<!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>Untitled Page</title>
</head>
<script language ="javascript">
 
 
 
function ShowIcon() {
 
    string[] ret = WebService.HelloWorld(document.getElementById("TextBox1").value,10,OnComplete,onerror,"Country");
     //rep_id.DataSource = ret;
     //rep_id.DataBind();
    
 
}
function onerror(arg)
{
alert("Error in calling");
}
function OnComplete(arg)
{
rep_id.DataSource = ret;
rep_id.DataBind();
//document.getElementById("callres").innerHTML = arg;
}
</script>
 
<body>
    <form id="form1" runat="server">
    <asp:ScriptManager ID="ScriptManager1" runat="server">
    <Services >
    <asp:ServiceReference Path="~/WebService.asmx" />
    </Services>
    </asp:ScriptManager>
    <div>
        <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
        <cc1:AutoCompleteExtender ID="AutoCompleteExtender1" runat="server" TargetControlID="TextBox1" 
        ServicePath="~/WebService.asmx" ServiceMethod="HelloWorld" MinimumPrefixLength="2"
        EnableCaching="true" CompletionSetCount="25" OnClientItemSelected="ShowIcon">
        </cc1:AutoCompleteExtender>
        
    </div>
    <div id="callres">
    
    </div>
    
<asp:Repeater id="rep_id" runat="server" >
 
<HeaderTemplate>
<table border="1" width="100%">
<tr>
<th>Country </th>
 
</tr>
</HeaderTemplate>
 
<ItemTemplate>
<tr>
<td><%#DataBinder.Eval(Container.DataItem,"Country") %></td>
</tr>
</ItemTemplate>
 
<FooterTemplate>
</table>
</FooterTemplate>
 
</asp:Repeater> 
</form>
</body>
</html>
 
 
Webservice.cs:
 
using System;
using System.Collections;
using System.Linq;
using System.Web;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Xml.Linq;
using System.Configuration;
using System.Data;
 
 
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
 
using System.Reflection;
 
using System.Collections.Generic;
 
 
/// <summary>
/// Summary description for WebService
/// </summary>
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
// To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line. 
[System.Web.Script.Services.ScriptService]
public class WebService : System.Web.Services.WebService
{
    private System.Data.Odbc.OdbcConnection OdbcCon;
    private System.Data.Odbc.OdbcCommand OdbcCom;
    private System.Data.Odbc.OdbcDataReader OdbcDR;
    private string ConStr;
 
    public WebService()
    {
 
        //Uncomment the following line if using designed components 
        //InitializeComponent(); 
    }
 
    [WebMethod]
    public string[] HelloWorld(string prefixText, int count)
    {
        List<string> names = new List<string>();
        ConStr = "DRIVER={MySQL ODBC 3.51 Driver};SERVER=" + "localhost" + ";PORT=" + "3306" + ";DATABASE=" + "terminal_details" + ";UID=" + "root" + ";PWD=" + "root" + ";OPTION=3";
        OdbcCon = new System.Data.Odbc.OdbcConnection(ConStr);
        if (OdbcCon.State == ConnectionState.Closed)
        {
            OdbcCon.Open();
        }
 
        if (OdbcCon.State == ConnectionState.Open)
        {
            string constring = "Select Country_name from Country Where Country_Name like '"+@prefixText+"'";
            OdbcCom = new System.Data.Odbc.OdbcCommand(constring, OdbcCon);
            OdbcDR = OdbcCom.ExecuteReader();
 
            if(OdbcDR.HasRows)
            {
                while (OdbcDR.Read())
                    names.Add(OdbcDR[0].ToString());
 
            }
 
            
            return (string[])(names.ToArray());
        }
        return (string[])(names.ToArray());
    }
}
[+][-]08/31/09 10:05 PM, ID: 25228642

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About this solution

Zones: Scripting Languages, Web Services, WebApplications
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Solution Provided By: vvvvv1
Participating Experts: 0
Solution Grade: A
 
 
 
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