WPF Navigation App - Desktop app with page navigation that functions like web app

cardswipe.cs

using System;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Navigation;
using System.Windows.Threading;
using SocketSender;
using IntercardLogging;


namespace RegistrationKiosk
{
	/// <summary>
	/// Interaction logic for CardSwipe.xaml
	/// </summary>
	public partial class CardSwipe : Page
	{
		public CardSwipe()
		{
			
			InitializeComponent();
			TbCardNumber.Focus();
			//Helper.MainGrid = MainGrid;

			InputManager.Current.PreProcessInput += Helper.OnActivity;
			Helper.ActivityTimer = new DispatcherTimer { Interval = TimeSpan.FromSeconds(20), IsEnabled = true };
			Helper.ActivityTimer.Tick += Helper.OnInactivity;
			Helper.Page = this;
			Helper.AtAttractionPage = false;
		}

		private void Next_Click(object sender, RoutedEventArgs e)
		{
			NavigationService nav = NavigationService.GetNavigationService(this);
			nav.Navigate(new Uri("AcctHistoryRegistration.xaml", UriKind.RelativeOrAbsolute));	
		}


		private void TbCardNumber_OnTextChanged(object sender, TextChangedEventArgs e)
		{
			IntercardLogger ILog = new IntercardLogger();
			TextBox tbx = (TextBox)sender;
			string text = tbx.Text;

			// capture second instance of ?, which represents the end of track data
			int index = text.IndexOf('?', text.IndexOf('?') + 1);

			// call FormatAcctNumber once we have read all of the track data
			if (index > 0)
			{
				string siteCode = string.Empty;
				TbAcct.Text = Helper.FormatAcctNumber(tbx.Text, out siteCode);
				TbSiteCode.Text = siteCode;

				// check if account exists
				TransActionServerIO transaction = new TransActionServerIO();
				ClassLibrary_Accounts.Account acctBalance = transaction.GetCardHoldersBalance(Convert.ToInt64(TbAcct.Text));

				// Initialize static account class with values from Transaction Server acct response
				if (acctBalance != null)
				{
					Account.FirstName = acctBalance.FirstName;
					Account.LastName = acctBalance.LastName;
					Account.AccountNumber = acctBalance.AccountNumber;
					Account.CashBalance = acctBalance.CashBalance;
					Account.CashBonusBalance = acctBalance.CashBonusBalance;
					Account.CashIn = acctBalance.CashIn;
					Account.Discount = acctBalance.Discount;
					Account.EmpCredits = acctBalance.EmpCredits;
					Account.EmpStatus = acctBalance.EmpStatus;
					Account.NewCard = acctBalance.NewCard;
					Account.PointBalance = acctBalance.PointBalance;
					Account.TokenBalance = acctBalance.TokenBalance;
					Account.TokenBonusBalance = acctBalance.TokenBonusBalance;
					Account.TpDuration = acctBalance.TP_Duration;
					Account.TpStartTime = acctBalance.TP_StartTime;
					Account.TpEndTime = acctBalance.TP_EndTime;

					//Account.Cell;
					//Account.Birthday;
					//Account.Email;
					//Account.Postal;
				}
				else
				{
					Account.FirstName = "";
					Account.LastName = "";
					Account.AccountNumber = Convert.ToInt64(TbAcct.Text);
					Account.CashBalance = 0;
					Account.CashBonusBalance = 0;
					Account.CashIn = 0;
					Account.Discount = 0;
					Account.EmpCredits = 0;
					Account.EmpStatus = 0;
					Account.NewCard = true;
					Account.PointBalance = 0;
					Account.TokenBalance = 0;
					Account.TpDuration = 0;
					Account.TpStartTime = default(DateTime);
					Account.TpEndTime = default(DateTime);

					//Account.Cell;
					//Account.Birthday;
					//Account.Email;
					//Account.Postal;
				}

				string[] macIds = TransActionServerIO.GetLocalMACs().ToArray();
				string firstName = string.Empty;
				string lastName = string.Empty;
				string phone = string.Empty;
				int sex = 0;
				string email = string.Empty;
				string postalCode = string.Empty;
				DateTime dateOfBirth = DateTime.MinValue;
				byte[] photo = null;
				bool digitalTickets;

				if (transaction.GetMemberByAccountNumber(
					macIds,
					Convert.ToInt64(TbAcct.Text),
					out firstName,
					out lastName,
					out phone,
					out sex,
					out email,
					out postalCode,
					out dateOfBirth,
					out photo,
					out digitalTickets) == 0)
				{
					// assign cust macIds
					try {Customer.MacIds = macIds;}
					catch (Exception ex) { ILog.IntercardLog().Debug(ex.Message); }

					// assign cust first name
					try { Customer.FirstName = firstName; }
					catch (Exception ex) { ILog.IntercardLog().Debug(ex.Message);}

					// assign last name
					try { Customer.LastName = lastName; }
					catch (Exception ex) { ILog.IntercardLog().Debug(ex.Message);}

					// assign phone
					try { Customer.Phone = phone; }
					catch (Exception ex) { ILog.IntercardLog().Debug(ex.Message);}

					// assign sex
					try { Customer.Sex = sex; }
					catch (Exception ex) { ILog.IntercardLog().Debug(ex.Message);}

					// assign postal code
					try { Customer.PostalCode = postalCode; }
					catch (Exception ex) { ILog.IntercardLog().Debug(ex.Message);}

					// assign date of birth
					try { Customer.DateOfBirth = dateOfBirth; }
					catch (Exception ex) { ILog.IntercardLog().Debug(ex.Message);}

					// assign photo
					try { Customer.Photo = photo; }
					catch (Exception ex) { ILog.IntercardLog().Debug(ex.Message);}

					// assign digital tickets
					try { Customer.DigitalTickets = digitalTickets; }
					catch (Exception ex) { ILog.IntercardLog().Debug(ex.Message);}

				} ;

				NavigationService nav = NavigationService.GetNavigationService(this);
				nav.Navigate(new Uri("AcctHistoryRegistration.xaml", UriKind.RelativeOrAbsolute));
			}
	
			}
			

		private void Button_Click(object sender, RoutedEventArgs e)
		{
			NavigationService nav = NavigationService.GetNavigationService(this);
			nav.Navigate(new Uri("MainWindow.xaml", UriKind.RelativeOrAbsolute));
			

		}
	}
}