How to create autocomplete box on windows phone 8

I am new programmer. I want to create autocomplete box on windows phone 8 form database (MySQL) list. Now I can create autocomplete box by List source = new List();
            source.Add("Phaya Thai");

But I don't know how I create list form MySQL

    x:Class="Train_Guide_Thailand.SearchPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:phone="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone"
    xmlns:shell="clr-namespace:Microsoft.Phone.Shell;assembly=Microsoft.Phone"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
    FontFamily="{StaticResource PhoneFontFamilyNormal}"
    FontSize="{StaticResource PhoneFontSizeNormal}"
    Foreground="{StaticResource PhoneForegroundBrush}"
    SupportedOrientations="Portrait" Orientation="Portrait"
    xmlns:toolkit="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone.Controls.Toolkit"
    mc:Ignorable="d"
    shell:SystemTray.IsVisible="True">


   
   
       
           
           
       


       
       
           
           
       


       
       

           
               
               
               
           
           
               
               
               
               
           


           
           
           
               
                   
               
           
           
           
           
           
               
                   
               
           
           
           
           
       


   


   
       
           
       
   









using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Net;
using System.IO;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using System.Windows.Navigation;
using Microsoft.Phone.Controls;
using Microsoft.Phone.Shell;


namespace Train_Guide_Thailand
{
    public partial class SearchPage : PhoneApplicationPage
    {
        public SearchPage()
        {
            InitializeComponent();
       
            //--SourceStation--
            List source = new List();
            source.Add("Phaya Thai");
            source.Add("Ladkrabang");
            source.Add("Pra Chom Klao");
            source.Add("aaaa");
            source.Add("bbbb");
            SourceStation.ItemsSource = source;  // destinations;

            //--destinationsStation--
            List destinations = new List();
            destinations.Add("Phaya Thai");
            destinations.Add("Ladkrabang");
            destinations.Add("Pra Chom Klao");
            destinations.Add("aaaa");
            destinations.Add("bbbb");
            DestStation.ItemsSource = destinations;

            //--SourceStation
            SourceStation.DropDownOpening += new RoutedPropertyChangingEventHandler(SourceStation_DropDownOpening);
            SourceStation.GotFocus += new RoutedEventHandler(SourceStation_GotFocus);
            SourceStation.LostFocus += new RoutedEventHandler(SourceStation_LostFocus);

            SourceStation.TextFilter += SearchStation;
            SourceStation.TextChanged += new RoutedEventHandler(SourceStation_TextChanged);
            SourceStation.SelectionChanged += new SelectionChangedEventHandler(SourceStation_SelectionChanged);

            SourceStation.Text = "";

            //--DestStation
            SourceStation.DropDownOpening += new RoutedPropertyChangingEventHandler(SourceStation_DropDownOpening);
            SourceStation.GotFocus += new RoutedEventHandler(SourceStation_GotFocus);
            SourceStation.LostFocus += new RoutedEventHandler(SourceStation_LostFocus);

            SourceStation.TextFilter += SearchStation;
            SourceStation.TextChanged += new RoutedEventHandler(SourceStation_TextChanged);
            SourceStation.SelectionChanged += new SelectionChangedEventHandler(SourceStation_SelectionChanged);

            SourceStation.Text = "";
        }

        bool SearchStation(string search, string value) // value is the possible match
        {
            if (!string.IsNullOrEmpty(search))
            {
                string currentText = search;
                string filterText = currentText;
                if (currentText.Contains(','))
                {
                    int pos = currentText.LastIndexOf(',');
                    // get only what we have after comma
                    filterText = currentText.Substring(pos + 1);
                }
                // Look for a match in the last letter.
                // do not allow to add twice the same tag from suggestion
                if (value.ToLower().StartsWith(filterText) && !previouslyTypedCities.Contains(value))
                {
                    return true; //match
                }
            }
            // If no match
            return false;
        }

        string previouslyTypedCities = "";

        void SourceStation_TextChanged(object sender, RoutedEventArgs e)
        {
            try
            {

                if (SourceStation.Text.Contains(','))
                {
                    int pos = SourceStation.Text.LastIndexOf(',');
                    if (pos > 0) previouslyTypedCities = SourceStation.Text.Substring(0, pos + 1); // get the comma as well
                }
            }
            catch (Exception ex)
            {

            }
        }

        void SourceStation_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            try
            {
                if (e.RemovedItems.Count > 0) return;
                if (e.AddedItems.Count > 0)
                {

                    if (!previouslyTypedCities.Contains(SourceStation.Text))
                    {
                        // add the new selection
                        SourceStation.Text = previouslyTypedCities + SourceStation.Text;
                        // set new value
                        SourceStation.SelectedItem = SourceStation.Text;
                    }
                }
            }
            catch (Exception ex)
            {
            }
        }

        private bool SourceStationFocused = false;

        void SourceStation_LostFocus(object sender, RoutedEventArgs e)
        {
            SourceStationFocused = false;
        }

        void SourceStation_GotFocus(object sender, RoutedEventArgs e)
        {
            SourceStationFocused = true;
        }

        void SourceStation_DropDownOpening(object sender, RoutedPropertyChangingEventArgs e)
        {
            // AutoCompleteBox is not focused, do NOT open drop-down
            if (!SourceStationFocused)
                e.Cancel = true;
        }




        //------------------------------------------------------------------------------------------
        //Search_Click

        ProgressIndicator prog;

        private void ApplicationBarSearchButton_Click(object sender, EventArgs e)
        {

            //Source station destination do not duplicate.
            if ((SourceStation.Text != "" && DestStation.Text != "") && SourceStation.Text != DestStation.Text )
            {

                string url = "http://169.254.80.80/checkSearch.php";
                Uri uri = new Uri(url, UriKind.Absolute);

                StringBuilder postData = new StringBuilder();
                postData.AppendFormat("{0}={1}", "sStationName", HttpUtility.UrlEncode(this.SourceStation.Text));
                postData.AppendFormat("&{0}={1}", "sStationName", HttpUtility.UrlEncode(this.DestStation.Text));


                WebClient client = default(WebClient);
                client = new WebClient();
                client.Headers[HttpRequestHeader.ContentType] = "application/x-www-form-urlencoded";
                client.Headers[HttpRequestHeader.ContentLength] = postData.Length.ToString();

                client.UploadStringCompleted += client_UploadStringCompleted;
                client.UploadProgressChanged += client_UploadProgressChanged;

                client.UploadStringAsync(uri, "POST", postData.ToString());


                prog = new ProgressIndicator();
                prog.IsIndeterminate = true;
                prog.IsVisible = true;
                prog.Text = "Loading....";
                SystemTray.SetProgressIndicator(this, prog);

            }