private void MiCsvLoadClick(object sender, RoutedEventArgs e)
{
OpenFileDialog openFileDialog = new OpenFileDialog {
Filter = "CSV Files|*.csv"
};
openFileDialog.ShowDialog();
MyDataTable = LoadDataTabletFromCSVFile(openFileDialog.FileName);
DGrid.SetBinding(ItemsControl.ItemsSourceProperty, new Binding {
Source = MyDataTable
});
}