protected internal override async Task OnAction(ExecuteActionArgs e)
{
if (e.Action == "ExportToExcel" && !e.IsHandled)
{
await e.ExecuteServiceRequest();
Exception error = null;
try
{
if (e.Result != null)
{
try
{
var data = e.Result["excelFile"].ValueDirect;
var parts = data.Split('|');
var bytes = Convert.FromBase64String(parts[1]);
var fileName = parts[0];
var folder = ApplicationData.Current.LocalFolder;
var file = await folder.CreateFileAsync(fileName, CreationCollisionOption.ReplaceExisting);
using (var s = await file.OpenStreamForWriteAsync())
await s.WriteAsync(bytes, 0, bytes.Length);
await Launcher.LaunchFileAsync(file);
}
finally
{
e.Result = null;
}
}
}
catch (Exception ex)
{
error = ex;
}
if (error != null)
await Service.Current.Hooks.ShowNotification(error.Message, NotificationType.Error);
e.IsHandled = true;
}
}
protected internal override async Task OnAction(ExecuteActionArgs e)
{
if (e.Action == "ExportToExcel" && !e.IsHandled)
{
await e.ExecuteServiceRequest();
Exception error = null;
try
{
if (e.Result != null)
{
try
{
var savePicker = new FileSavePicker();
savePicker.SuggestedFileName = e.Query.Name + ".xlsx";
savePicker.FileTypeChoices.Add("Excel File", new List<string> { ".xlsx" });
savePicker.DefaultFileExtension = ".xlsx";
var fileToSave = await savePicker.PickSaveFileAsync();
if (fileToSave != null)
{
using (var stream = await fileToSave.OpenAsync(FileAccessMode.ReadWrite))
{
using (var outputStream = stream.GetOutputStreamAt(0))
{
using (var dataWriter = new DataWriter(outputStream))
{
var data = e.Result["excelFile"].ValueDirect;
data = data.Substring(data.IndexOf('|') + 1);
dataWriter.WriteBytes(Convert.FromBase64String(data));
await dataWriter.StoreAsync();
dataWriter.DetachStream();
}
}
await stream.FlushAsync();
}
await Windows.System.Launcher.LaunchFileAsync(fileToSave);
}
}
finally
{
e.Result = null;
}
}
}
catch (Exception ex)
{
error = ex;
}
if (error != null)
{
var dialog = new MessageDialog(Service.Current.Messages["CouldNotOpenExcelFile"], string.Empty);
dialog.Commands.Add(new UICommand(Service.Current.Messages["OK"]));
await dialog.ShowAsync();
}
e.IsHandled = true;
}
}
