private void btnUpdate_Click(object sender, EventArgs e) { try { var personAccessor = new PersonAccessor(); string gender = ""; if (rbMale.Checked == true) { gender = "M"; } else { gender = "F"; } personAccessor.Update(Convert.ToInt32(txtId.Text),txtFirstName.Text, txtLastName.Text, txtMiddleName.Text, gender); txtFirstName.Text = ""; txtLastName.Text = ""; txtMiddleName.Text = ""; } catch (Exception ex) { MessageBox.Show(ex.Message); } }