Get Country when i select continent for continent textbox, using JQUERY

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Sample.aspx:

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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Sample.aspx.cs" Inherits="Sample" %>
<%@ Import Namespace="System.Web.Services" %>
<!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></title>
    <link href="CSS/jquery-ui[1].css" rel="stylesheet" type="text/css" />
    <script src="jquery/jquery.min.js" type="text/javascript"></script>
    <script src="jquery/jquery-1.4.1.min.js" type="text/javascript"></script>
    <script src="jquery/jquery-ui.min.cache.js" type="text/javascript"></script>
    <%--<script src="jquery/jquery.min.js" type="text/javascript"></script>--%>
    <%-- <link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.5/themes/base/jquery-ui.css"
        type="text/css" media="all" />
    <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.3/jquery.min.js"></script>
    <script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.5/jquery-ui.min.js"
        type="text/javascript"></script>--%>
    <script type="text/javascript">
        $(function () {
            $('#<%= txtName.ClientID %>').autocomplete({
                source: "AutoComplete.ashx"
            });
        });
    </script>
     <script type="text/javascript">
         $(function () {
             $('#<%= txtName.ClientID %>').autocomplete({
                 source: "AutoComplete.ashx"
             })
             //$("#textbox").get(0).value = "blah"
//             .data( "autocomplete" )._renderItem = function( ul, item ) {
//          return $( "<li></li>" )
//
//              .data( "item.autocomplete", item )
         });
        // $('#<%= txtLabel.ClientID %>').val($(this).html())="blah";
         //         $(function () {
         //$("input#textbox").val($(this).html());
//             $('#<%=txtName.ClientID %>').text({
//                 source: "GetName.ashx"
//             });
         //         });

    </script>
    <script type="text/javascript">
        $(function () {
            $('#<%= txtCountries.ClientID %>').autocomplete({
                source: "Countries.ashx"
            });
        });
    </script>

</head>
<body>
    <form id="form1" runat="server">
    <div>
        Continent :
        <asp:TextBox ID="txtName" runat="server"></asp:TextBox>
        <br />
        Countries :
        <asp:TextBox ID="txtCountries" runat="server"></asp:TextBox>
    </div>
    </form>
</body>
</html>

AutoComplete.ashx

C#

using System;
using System.Collections.ObjectModel;
using System.Data;
using System.Data.SqlClient;
using System.Web;
using System.Web.Script.Serialization;
using System.Collections.Generic;
using System.Linq;
using System.Web.UI;
using System.Web.UI.WebControls;
public class AutoComplete : IHttpHandler
{
 
    public void ProcessRequest(HttpContext context)
    {
        string searchText = context.Request.QueryString["term"];
        Collection&lt;AutoCompleteDTO&gt; collection;
        string connectionString =
            @"Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirectory|\Cas.mdf;Integrated Security=True;User Instance=True";
        using (SqlConnection connection = new SqlConnection(connectionString))
        {
            using (SqlCommand command = new SqlCommand())
            {
                command.Connection = connection;
                command.CommandText = "Search_Users";
                command.CommandType = CommandType.StoredProcedure;
                SqlParameter paramName = new SqlParameter("@ContinentName", SqlDbType.VarChar);
                paramName.Size = 100;
                paramName.Value = searchText;
                command.Parameters.Add(paramName);
                collection = new Collection&lt;AutoCompleteDTO&gt;();
                connection.Open();
                using (SqlDataReader dataReader = command.ExecuteReader())
                {
                    AutoCompleteDTO dto;
                    if (dataReader != null)
                        while (dataReader.Read())
                        {
                            dto = new AutoCompleteDTO();
                            dto.value = dto.label = (string)dataReader["ContinentName"];
                            dto.id = Convert.ToString(dataReader["ID"]);
                            collection.Add(dto);
                            dto.cid = Convert.ToString(dataReader["ID"]);
                        }
                   
                   
                }
            }
        }
        
        JavaScriptSerializer serializer = new JavaScriptSerializer();
 
        string jsonString=serializer.Serialize(collection);
 
        context.Response.Write(jsonString);
    }
 
    public bool IsReusable
    {
        get
        {
            return false;
        }
    }
}

AutoCompleteDIO.cs

C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
/// &lt;summary&gt;
/// Summary description for AutoCompleteDTO
/// &lt;/summary&gt;
public class AutoCompleteDTO
{
    string CID;
    public string id { get; set; }
    public string label { get; set; }
    public string value { get; set; }
    public string cid
    {
        get
        {
            return CID;
        }
        set
        {
            value = CID;
        }
    }
}

Posted 16-Feb-11 2:15am

Vineet_2109

Updated 16-Feb-11 6:11am

Sandeep Mewara

v2

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Comments

Vineet_2109 16-Feb-11 8:16am

Above page is Sample.aspx

Abdul Quader Mamun 16-Feb-11 19:13pm

where is the question?

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