private bool Input() { if (!CheckInoput()) { return(false); } FormalUser formalUser = new FormalUser(textBox1.Text, textBox2.Text); int months = radioButton1.Checked ? 3 : 12; string err; if (AdminBLL.AddFormalUser(formalUser, months, out err)) { form.Refresh(); MessageBox.Show(err); return(true); } MessageBox.Show(err); return(false); }