private void MainWindow_Loaded(object sender, RoutedEventArgs e)
{
DataContext = this;
MainTable = new GenericTable <string, double, string>();
MainTable.AddColumn("Col 1");
MainTable.AddColumn("Col 2");
MainTable.AddColumn("Col 3");
MainTable.AddRow("Row 1");
MainTable.AddRow("Row 2");
MainTable.AddRow("Row 3");
MainTable.Update();
}