private void MenuItem_Click(object sender, RoutedEventArgs e)
{
var newExportDialog = new Message();
if (newExportDialog.ShowDialog() == true)
{
if (newExportDialog.DialogResult == true)
{
SaveFileDialog saveDialog = new SaveFileDialog();
if (saveDialog.ShowDialog() == true)
{
var studentViewSource = ((CollectionViewSource)(this.FindResource("studentViewSource")));
var studentsCollection = studentViewSource.Source as ObservableCollection <Model.Student>;
var currentGroup = newExportDialog.Group;
var data = from student in studentsCollection
where student.Group == currentGroup
select student;
var export = new StudentsToXLSProvider(data);
export.ExportTo($"{saveDialog.FileName}.xlsx");
MessageBox.Show($"Экспортировано в файл {saveDialog.FileName}", "Уведомление");
}
}
}
}
private void MenuItem_Click(object sender, RoutedEventArgs e)
{
var export = new StudentsToXLSProvider(studentViewSource.Source as IEnumerable <Model.Student>);
export.ExportTo("test.xlsx");
}
