protected void btnSubmit_Click(object sender, EventArgs e) { if (rblLength.SelectedIndex >= 0 && cboAudition.SelectedIndex > 0) { int auditionId = Convert.ToInt32(cboAudition.SelectedValue); if (DbInterfaceStudentAudition.UpdateAuditionLength(auditionId, Convert.ToInt32(rblLength.SelectedValue))) { ClearPage(); showSuccessMessage("The audition length was successfully updated."); } else { showErrorMessage("The audition length could not be updated."); } } else { showInfoMessage("No changes were made to the audition length."); } }