private async void HospName_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
//This code runs whenever the ComboBoxes selected index is changed.
if (HospName.SelectedIndex != 0)
{
//This code checks to see if the app is in snapped view, if it is it unsnappes it.
if (Windows.UI.ViewManagement.ApplicationView.Value != Windows.UI.ViewManagement.ApplicationViewState.Snapped ||
Windows.UI.ViewManagement.ApplicationView.TryUnsnap() == true)
{
}
//HospName is the name of the ComboBox.
string hospSelected = (string)HospName.SelectedItem;
userSelection = HospName.SelectedIndex;
for (int i = 0; i < hospitalDetails.Count; i++)
{
if (hospSelected == hospitalDetails[i].Name)
{
code = hospitalDetails[i].Code;
break;
}
}
try
{
// Get the list of quarter data from the web service.
HttpClient client = new HttpClient();
HttpResponseMessage response = await client.GetAsync("http://aeactivityapp.azurewebsites.net/get_data.php?section=hospData&code=" + code);
response.EnsureSuccessStatusCode();
using (Stream stream = await response.Content.ReadAsStreamAsync())
{
XmlSerializer serializer = new XmlSerializer(typeof(List <QuarterData>), new XmlRootAttribute("ArrayOfData"));
quarterData = (List <QuarterData>)serializer.Deserialize(stream);
}
}
catch
{
Error.Text = "Failed to connect to database, please close application and try again later.";
}
//If the text block Error's text contains nothing, there hasn't been an error.
if (Error.Text == "")
{
//ChartItems is a class that organises the quarter data so it can be used in the VisiFire graph.
ChartItems items = new ChartItems(quarterData, hospSelected);
VisiChart.DataContext = items;
}
}
}
//This method populates the VisiFire Chart.
private void TryToPopulate()
{
if (quarterData != null && quarterData2 != null)
{
/*The reson for these 2 code statements is so that if a user changes one of the ComboBoxes to the default discriptive text (which is the "Please select ect")
* and then selects a different item in the next ComboBox, this code will ensure that both ComboBoxes contain the items selected so the user can be sure of what
* they have selected.*/
selection1.SelectedIndex = userSelection1;
selection2.SelectedIndex = userSelection2;
items = new ChartItems(quarterData, quarterData2, hospSelected1, hospSelected2);
VisiChart.DataContext = items;
//If the app is in snapped view this code unsnappes it.
if (Windows.UI.ViewManagement.ApplicationView.Value != Windows.UI.ViewManagement.ApplicationViewState.Snapped ||
Windows.UI.ViewManagement.ApplicationView.TryUnsnap() == true)
{
}
}
}