Ajax AutoComplete Extender

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Hi All,

I am working on the AutoComplete Extender.I already wrote the webservice for the autosuggestion and i also initialed the extendor and set its properties.So when i am running the code from the webservice,iam getting the needed suggestions.But when running the code from the default.aspx iam getting no results.So my question is that do i need to call the webservice from the default.aspx by using the Text_Changed event for the textbox ?

This is the code that iam using :

in the HTML :

<br />
<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %><br />
<br />
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="asp" %><br />
<br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><br />
<br />
<html xmlns="http://www.w3.org/1999/xhtml"><br />
<head  runat="server"><br />
    <title>Untitled Page</title><br />
</head><br />
<br />
<body><br />
    <form id="form1"  runat="server"><br />
    <div><br />
    <br />
        <asp:TextBox ID="TextBox1" runat="server" ><br />
    </div><br />
    <br />
     <asp:autocompleteextender ID="Autocompleteextender1" runat="server"<br />
     <br />
     TargetControlID="TextBox1"<br />
    ServicePath="MyWebService.asmx"<br />
    ServiceMethod="AutoSuggest"<br />
    MinimumPrefixLength="1" <br />
   CompletionSetCount="10" ><br />
    <br />
    <br />
        <br />
    <br />
    <br />
    <asp:ScriptManager ID="ScriptManager2" runat="server" > <br />
    <services> <br />
    <asp:ServiceReference Path="MyWebService.asmx" /> <br />
    </services> <br />
     <br />
<br />
     <br /><br />
     <br />
    </form><br />
    <br />
</body><br />
</html><br />
<br />

And in the Webservice :

<br />
using System;<br />
using System.Collections;<br />
using System.Linq;<br />
using System.Web;<br />
using System.Web.Services;<br />
using System.Web.Services.Protocols;<br />
using System.Xml.Linq;<br />
using System.Data;<br />
using System.Collections;<br />
using System.Xml;<br />
/// <summary><br />
/// Summary description for MyWebService<br />
/// </summary><br />
[WebService(Namespace = "http://zarif.org/")]<br />
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]<br />
// To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line. <br />
 [System.Web.Script.Services.ScriptService]<br />
public class MyWebService : System.Web.Services.WebService {<br />
<br />
    public MyWebService () {<br />
<br />
        //Uncomment the following line if using designed components <br />
        //InitializeComponent(); <br />
    }<br />
<br />
    [WebMethod]<br />
    <br />
    public string[] AutoSuggest(string prefixText, int count)<br />
    {<br />
        DataSet ds = new DataSet();<br />
        DataTable dt=new DataTable();<br />
        ds.ReadXml(Server.MapPath("~/App_Data/register.xml"));<br />
        dt = ds.Tables[0];<br />
        <br />
        <br />
        DataView dvStates = new DataView(dt, string.Format("name like '{0}%'", prefixText), "", DataViewRowState.CurrentRows);<br />
<br />
        System.Collections.Generic.List<string> items = new System.Collections.Generic.List<string>(count);<br />
<br />
        for (int i = 0; i < dvStates.Count; i++)<br />
        {<br />
            items.Add(dvStates[i]["name"].ToString());<br />
        }<br />
<br />
        return items.ToArray();<br />
    } <br />
<br />
    <br />
}<br />
</string></string>

Posted 25-Jan-11 2:38am

mhamad zarif

Updated 25-Jan-11 3:50am

v2

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Manas Bhardwaj · Answer 1 · 2011-01-25T03:40:00

Solution 1

Not sure, what your default.aspx does. Better, you post the code snippet.

Also have a look http://www.asp.net/ajax/ajaxcontroltoolkit/samples/autocomplete/autocomplete.aspx, they have very well described how to do this.

Posted 25-Jan-11 3:40am

Manas Bhardwaj

Comments

ahsan sarfraz 26-Jan-11 0:05am

Nice link