private void btAdd_Click(object sender, RoutedEventArgs e) { int doctorId = 5; DateTime date = DateTime.Now.Date; DateTime startTime = DateTime.Now.Date; DateTime endTime = DateTime.Now.Date; if (dpDateAddAv.Text != null) { date = Convert.ToDateTime(dpDateAddAv.Text); } if (cmbStartTime.Text != null) { startTime = Convert.ToDateTime(cmbStartTime.Text); } if (cmbEndTime.Text != null) { endTime = Convert.ToDateTime(cmbEndTime.Text); } int duration = 0; if (rb30M.IsChecked == true) { duration = 30; } else { duration = 60; } availability av = new availability(doctorId, date, startTime, endTime, duration); crud.AddAvailableTime(av); MessageBox.Show("Added ", av.ToString()); dpDateAddAv.Text = ""; cmbStartTime.SelectedIndex = -1; cmbEndTime.SelectedIndex = -1; }