/// <summary>
/// When program startup, the program will read default data file
/// Default data file should be store in Debug or Release Folder
/// If the defualt data file is not found, we should use Load Data feature
/// to load data file into our program
/// </summary>
private void LoadDefaultDataFile()
{
string fileName = ConfigurationManager.AppSettings["XMLDataFile"];
string path = PathHelper.GetFileLocation(fileName);
if (File.Exists(path))
{
try
{
XMLHelpers.ReadFromXML(fileName);
}
catch
{
//
}
}
}
/// <summary>
/// Open a dialog to select the xml file
/// Load data from xml file
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void BtnLoadData_Click(object sender, RoutedEventArgs e)
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.InitialDirectory = Directory.GetCurrentDirectory();
openFileDialog.DefaultExt = ".xml";
openFileDialog.Filter = "XML file (*.xml)|*.xml";
if (openFileDialog.ShowDialog() == true)
{
// a flag for store status of reading xml file, and catch exception message to display for users.
try
{
XMLHelpers.ReadFromXML(openFileDialog.FileName);
scheduleViewModel.AppointmentList = XMLHelpers.Instance().Appointments;
scheduleViewModel.RefreshAppointments();
} catch (Exception error)
{
MessageBox.Show(error.Message, "Failed to read " + System.IO.Path.GetFileName(openFileDialog.FileName), MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
}
}
