private static async Task <string> GenerateExportFile(DataGridResultViewer resultViewer, IDataExporter dataExporter)
{
var tempFileName = Path.GetTempFileName();
var connectionConfiguration = ConfigurationProvider.GetConnectionConfiguration(ConfigurationProvider.ConnectionStrings[0].Name);
Thread.CurrentThread.CurrentCulture = CultureInfo.DefaultThreadCurrentCulture = CultureInfo.InvariantCulture;
using (var exportContext = await dataExporter.StartExportAsync(ExportOptions.ToFile(tempFileName, resultViewer.Title), DataExportHelper.GetOrderedExportableColumns(resultViewer.ResultGrid), connectionConfiguration.InfrastructureFactory.DataExportConverter, CancellationToken.None))
{
await exportContext.AppendRowsAsync(resultViewer.ResultGrid.Items.Cast <object[]>());
await exportContext.FinalizeAsync();
}
return(tempFileName);
}
private async Task ExportData(IDataExporter dataExporter, ExportOptions exportOptions)
{
using (var cancellationTokenSource = new CancellationTokenSource())
{
var operationMonitor = new WindowOperationMonitor(cancellationTokenSource)
{
IsIndeterminate = false
};
operationMonitor.Show();
var exception = await App.SafeActionAsync(
async delegate
{
using (var exportContext = await dataExporter.StartExportAsync(exportOptions, DataExportHelper.GetOrderedExportableColumns(ResultGrid), _outputViewer.DocumentPage.InfrastructureFactory.DataExportConverter, cancellationTokenSource.Token))
{
exportContext.SetProgress(_resultRows.Count, operationMonitor);
await exportContext.AppendRowsAsync(_resultRows);
await exportContext.FinalizeAsync();
}
});
operationMonitor.Close();
var isOperationCanceledException = exception is OperationCanceledException;
if (exception != null && !isOperationCanceledException)
{
Messages.ShowError(exception.Message);
}
}
}