/// <summary>
/// Deserializes the response XML for extensions into a
/// <see cref="HealthRecordItemExtension"/> or derived type based on the registered
/// extension handler.
/// </summary>
///
/// <param name="extensionNav">
/// The XML representation of the extension data.
/// </param>
///
/// <returns>
/// The <see cref="HealthRecordItemExtension"/> or derived class instance
/// representing the data in the XML.
/// </returns>
///
/// <exception cref="System.Reflection.TargetInvocationException">
/// If the constructor of the type being created throws an
/// exception. The inner exception is the exception thrown by the
/// constructor.
/// </exception>
///
/// <exception cref="MissingMethodException">
/// The default constructor of the type being created is not public.
/// If you registered the extension handler, be sure that the type you
/// registered for the extension type class has a public default
/// constructor.
/// </exception>
///
internal static HealthRecordItemExtension DeserializeExtension(
XPathNavigator extensionNav)
{
HealthRecordItemExtension result = null;
string source = extensionNav.GetAttribute("source", String.Empty);
if (_extensionHandlers.ContainsKey(source))
{
HealthRecordItemTypeHandler handler = _extensionHandlers[source];
result =
(HealthRecordItemExtension)Activator.CreateInstance(
handler.ItemTypeClass);
}
else
{
result = new HealthRecordItemExtension(source);
}
result.ParseXml(extensionNav);
return result;
}
protected void Submit_Daily_Diet_Click(object sender, System.EventArgs e)
{
//Post Diet
DietaryDailyIntake diet = new DietaryDailyIntake();
int totalCarbs;
int.TryParse(Txt_DailyDietCarbs.Text, out totalCarbs);
diet.TotalCarbohydrates.Kilograms = totalCarbs * 1000;
diet.CommonData.Note = Txt_DailyDietNote.Text;
//Adding extension data
string drinks = Txt_DailyDietAlcohol.Text;
HealthRecordItemExtension extension =
new HealthRecordItemExtension(_appDailyAlcoholExtensionName);
diet.CommonData.Extensions.Add(extension);
XPathNavigator navigator = extension.ExtensionData.CreateNavigator();
navigator.InnerXml = @"<extension source=""" + _appDailyAlcoholExtensionName + @""">
<alcoholic-drinks>" + drinks + "</alcoholic-drinks>";
PersonInfo.SelectedRecord.NewItem(diet);
}
