//Async method to get the data from web service.
async void btnFindButton_Click(object sender, RoutedEventArgs e)
{
try
{
string searchString = (findTextBox.Text).ToString();
busyIndicator.IsBusy = true;
client = new SearchServiceClient();
//everything after this line is made to wait until the execution is finished.
//while it waits, the application control is handed over to the calling method.
//That way, the UI is kept responsive.
var result = await client.SearchItemsAsync(searchString);
client.Close();
grdData.ItemsSource = result;
busyIndicator.IsBusy = false;
}
catch (Exception ex)
{
busyIndicator.IsBusy = false;
//do not show error for deliberately aborted requests.
if (!ex.Message.Contains("The request was aborted: The request was canceled."))
{
MessageBox.Show("Unexpected error: " + ex.Message,
"Async Await Demo", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
this.UpdateLayout();
}
//Async method to get the data from web service.
async void btnFindButton_Click(object sender, RoutedEventArgs e)
{
try
{
string searchString = (findTextBox.Text).ToString();
busyIndicator.IsBusy = true;
client = new SearchServiceClient();
//everything after this line is made to wait until the execution is finished.
//while it waits, the application control is handed over to the calling method.
//That way, the UI is kept responsive.
var result = await client.SearchItemsAsync(searchString);
client.Close();
grdData.ItemsSource = result;
busyIndicator.IsBusy = false;
}
catch (Exception ex)
{
busyIndicator.IsBusy = false;
//do not show error for deliberately aborted requests.
if (!ex.Message.Contains("The request was aborted: The request was canceled."))
{
MessageBox.Show("Unexpected error: " + ex.Message,
"Async Await Demo", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
this.UpdateLayout();
}