private void button10_Click(object sender, EventArgs e) { string error; if (textBox1.Visible) { repo.ModifyAddress(id, textBox1.Text, out error); } else if (textBox2.Visible) { repo.ModifyContactNo(id, textBox2.Text, out error); } else if (textBox3.Visible) { repo.ModifyEmail(id, textBox3.Text, out error); } else if (textBox4.Visible) { repo.ModifyPost(id, textBox4.Text, out error); } else if (textBox5.Visible) { repo.ModifyWorkingDays(id, textBox5.Text, out error); } else if (textBox6.Visible) { repo.ModifyWorkingHours(id, textBox6.Text, out error); } else if (textBox7.Visible) { repo.ModifyReportingTime(id, textBox7.Text, out error); } else if (textBox8.Visible) { repo.ModifyLeavingTime(id, textBox8.Text, out error); } this.Visible = false; Form7 b2 = new Form7(); b2.Visible = true; }