private void btLoad_Click(object sender, RoutedEventArgs e) { if (viewer.Report != null) { OpenFileDialog fileDilalog = new OpenFileDialog(); fileDilalog.Filter = "*.xml|*.xml"; if (fileDilalog.ShowDialog() == true) { Stimulsoft.Report.StiReport report = viewer.Report; viewer.Report = null; var stream = fileDilalog.File.OpenRead(); report.LoadEditableFields(stream); stream.Close(); stream.Dispose(); stream = null; viewer.Report = report; } } }