private void RestoreDataBtn_Click(object sender, RoutedEventArgs e)
{
GeoServiceClient proxy = new GeoServiceClient();
IEnumerable <ZipCityData> cityBatch = new List <ZipCityData>()
{
new ZipCityData {
ZipCode = "70112", City = "New Orleans"
},
new ZipCityData {
ZipCode = "30313", City = "Atlanta"
}
};
try
{
proxy.UpdateZipCityBatch(cityBatch.ToList());
proxy.Close();
MessageBox.Show("Updated");
}
catch (FaultException)
{
proxy.Abort();
MessageBox.Show("Error");
}
}
private void UpdateBatchBtn_Click(object sender, RoutedEventArgs e)
{
GeoServiceClient proxy = new GeoServiceClient();
IEnumerable <ZipCityData> cityBatch = new List <ZipCityData>()
{
new ZipCityData {
ZipCode = "70112", City = "Who Data Nation"
},
new ZipCityData {
ZipCode = "30313", City = "Next SuperBowl"
}
};
try
{
proxy.UpdateZipCityBatch(cityBatch.ToList());
proxy.Close();
MessageBox.Show("Updated");
}
catch (FaultException ex)
{
proxy.Abort();
MessageBox.Show("Error");
}
}
private void GetInfoBtn_Click(object sender, RoutedEventArgs e)
{
// The GeoServiceClient is a robuster form of the we did in the project GeoLib.Proxies
GeoServiceClient proxy = new GeoServiceClient();
if (string.IsNullOrEmpty(ZipCodeTxt.Text))
{
return;
}
// when using wcf channel error handling is a good practice
// not use "using" because in case of exception
// the right method to call is Abort and not Close method.
// "Using" implements IDisposable and just invoke the Close method.
try
{
//ZipCodeData data = proxy.GetZipInfo(ZipCodeTxt.Text);
ZipCodeData data = proxy.GetZipInfo(ZipCodeTxt.Text);
if (data == null)
{
return;
}
CityLbl.Content = data.City;
StateLbl.Content = data.State;
proxy.Close();
}
// In the try block the exception order has to be from the more specific to the general.
// This will catch only if is a FaultException of ExceptionDetail
catch (FaultException <ExceptionDetail> ex)
{
// This is the right method to call inside a catch block because,
// the Close may leave behind some unreleased resources.
proxy.Abort();
MessageBox.Show($"FaultException<ExceptionDetail> thrown by the service {Environment.NewLine}" +
$"Reason: {ex.Message} {Environment.NewLine}" +
$"Message: {ex.Detail.Message} {Environment.NewLine}" +
$"Proxy state: {proxy.State} {Environment.NewLine}");
}
// This will catch only if is a FaultException of the custom error object NotFoundData.
catch (FaultException <NotFoundData> ex)
{
proxy.Abort();
MessageBox.Show($"FaultException<NotFoundData> thrown by the service {Environment.NewLine}" +
$"Reason: {ex.Message} {Environment.NewLine}" +
$"Message: {ex.Detail.Message} {Environment.NewLine}" +
$"Time: {ex.Detail.When} {Environment.NewLine}" +
$"User: {ex.Detail.User} {Environment.NewLine}" +
$"Proxy state: {proxy.State} {Environment.NewLine}");
}
// This will catch any kind of FaultException.
// Every exception thrown by the wcf service will be a FaultException
// but the unhandled will receive a generic message
catch (FaultException ex)
{
proxy.Abort();
MessageBox.Show($"FaultException thrown by the service {Environment.NewLine}" +
$"Reason: {ex.Message} {Environment.NewLine}" +
$"Proxy state: {proxy.State} {Environment.NewLine}");
}
// As all exception thrown by the wcf service will be a FaultException
// this will be reached only if the service can't be found
catch (Exception ex)
{
proxy.Abort();
MessageBox.Show($"Exception thrown by the service {Environment.NewLine}" +
$"Reason: {ex.Message} {Environment.NewLine}" +
$"Proxy state: {proxy.State} {Environment.NewLine}");
}
}