private void button1_Click(object sender, EventArgs e) { try { ConventionSystemContext db = new ConventionSystemContext(); Attendee attendee = new Attendee(); attendee.Name = textBox1.Text; attendee.Email = textBox2.Text; attendee.TicketType = textBox3.Text; attendee.DaysOfAttend = Convert.ToInt32(textBox4.Text); db.Attendees.Add(attendee); db.SaveChanges(); } catch (Exception ex) { MessageBox.Show(ex.Message); } }