//[OperationBehavior(TransactionScopeRequired = true)]
private async void GetInfoBtn_Click(object sender, RoutedEventArgs e)
{
IEnumerable <ZipCityData> cityBatch = new List <ZipCityData>()
{
new ZipCityData {
ZipCode = "70112", City = "Who Data Nation"
},
new ZipCityData {
ZipCode = "30313", City = "Next SuperBowl"
},
new ZipCityData {
ZipCode = "02035", City = "Cheat City"
},
new ZipCityData {
ZipCode = "33056", City = "Dan Marino City"
}
};
ZipCodeLsb.Items.Clear();
// in order to prevent deadlock it has to put tis instructions in another thread
// to free the UI thread
await Task.Run(() =>
{
try
{
//All the action has to belong to a different thread otherwise after the first callback
// it will result in a deadlock
GeoCallbackServiceClient proxy = new GeoCallbackServiceClient(new InstanceContext(this));
proxy.Open();
proxy.UpdateZipCity(cityBatch.ToList());
proxy.Close();
MessageBox.Show("Updated");
}
catch (FaultException ex)
{
MessageBox.Show($"Error: {ex.Message}");
}
});
}
private async void RestoreDataBtn_Click(object sender, RoutedEventArgs e)
{
IEnumerable <ZipCityData> cityBatch = new List <ZipCityData>()
{
new ZipCityData {
ZipCode = "70112", City = "New Orleans"
},
new ZipCityData {
ZipCode = "30313", City = "Atlanta"
},
new ZipCityData {
ZipCode = "02035", City = "Foxborough"
},
new ZipCityData {
ZipCode = "33056", City = "Miami"
}
};
ZipCodeLsb.Items.Clear();
await Task.Run(() =>
{
try
{
GeoCallbackServiceClient proxy = new GeoCallbackServiceClient(new InstanceContext(this));
proxy.Open();
proxy.UpdateZipCity(cityBatch.ToList());
proxy.Close();
MessageBox.Show("Restored");
}
catch (FaultException ex)
{
MessageBox.Show($"Error: {ex.Message}");
}
});
MessageBox.Show("finish");
}
