public async void LoadBills(ObservableCollection<Bill> bills)
{
try
{
string categoriesXML = @"Assets\BillCategories.xml";
StorageFolder InstallationFolder = Windows.ApplicationModel.Package.Current.InstalledLocation;
StorageFile file = await InstallationFolder.GetFileAsync(categoriesXML);
XmlDocument billCategoriesXML = await XmlDocument.LoadFromFileAsync(file);
XmlNodeList xmlList = billCategoriesXML.SelectNodes("/Categories/Bill");
foreach (XmlElement element in xmlList)
{
string title = element.GetAttribute("Title");
string subtitle = element.GetAttribute("SubTitle");
string imagePath = element.GetAttribute("ImagePath");
string portalUrl = element.GetAttribute("PortalUrl");
string type = element.GetAttribute("Type");
string isPaid = element.SelectSingleNode("IsPaid").InnerText;
string dueDate = element.SelectSingleNode("DueDate").InnerText;
Bill bill = new Bill(title, subtitle, imagePath, portalUrl, (BillType)Convert.ToInt16(type), isPaid == "1", Convert.ToDateTime(dueDate));
bills.Add(bill);
}
}
catch (Exception e)
{
string error = e.Message;
}
}
/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
/// <param name="sender">
/// The source of the event; typically <see cref="NavigationHelper"/>
/// </param>
/// <param name="e">Event data that provides both the navigation parameter passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and
/// a dictionary of state preserved by this page during an earlier
/// session. The state will be null the first time a page is visited.</param>
private async void navigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
try
{
StorageFile localFile = await ApplicationData.Current.LocalFolder.GetFileAsync("usersettings.xml");
string localData = await FileIO.ReadTextAsync(localFile);
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml(localData);
XmlNodeList nodeList = xmlDoc.SelectNodes("Categories/Bill");
foreach (IXmlNode node in nodeList)
{
string type = node.Attributes[0].NodeValue.ToString();
string title = node.Attributes[1].NodeValue.ToString();
string subtitle = node.Attributes[2].NodeValue.ToString();
string imagePath = node.Attributes[3].NodeValue.ToString();
string portalUrl = node.Attributes[4].NodeValue.ToString();
string dueDate = node.FirstChild.InnerText;
string isPaid = node.LastChild.InnerText;
Bill bill = new Bill(title, subtitle, imagePath, portalUrl, BillType.CreditCard, isPaid == "1", Convert.ToDateTime(dueDate));
this.Bill.Add(bill);
}
this.DataContext = this.Bill;
}
catch (FileNotFoundException)
{
this.Frame.Navigate(typeof(BillCategories));
}
}