private void button1_Click(object sender, EventArgs e) { switch (cb_interval.SelectedIndex) { case 0: { MainWnd.SetTableSource("extendview"); Properties.Settings.Default.TableSource = MainWnd.GetTableSource(); Properties.Settings.Default.Save(); MessageBox.Show("Saved!", "Data Interval"); } break; case 1: { MainWnd.SetTableSource("currentyearview"); Properties.Settings.Default.TableSource = MainWnd.GetTableSource(); Properties.Settings.Default.Save(); MessageBox.Show("Saved!", "Data Interval"); } break; case 2: { MainWnd.SetTableSource("historyview"); Properties.Settings.Default.TableSource = MainWnd.GetTableSource(); Properties.Settings.Default.Save(); MessageBox.Show("Saved!", "Data Interval"); } break; } }