private void AddUserForDGV(User user) {
dataGridView1.Rows.Add();
int idx = dataGridView1.Rows.Count-1;
dataGridView1.Rows[idx].Cells[0].Value = user._id;
dataGridView1.Rows[idx].Cells[1].Value = user.GetName();
dataGridView1.Rows[idx].Cells[2].Value = user.GetSex();
dataGridView1.Rows[idx].Cells[3].Value = user.GetBirthday();
dataGridView1.Rows[idx].Cells[4].Value = user._phone1;
dataGridView1.Rows[idx].Cells[5].Value = user._phone2;
dataGridView1.Rows[idx].Cells[6].Value = user._email;
dataGridView1.Rows[idx].Cells[7].Value = user._note;
}
private void SetForm(User user) {
id_lbl.Text = user._id;
firstName_tbx.Text = user._firstName;
lastName_tbx.Text = user._lastName;
sex_cbx.Text = user.GetSex();
year_cbx.Text = user._bYear;
month_cbx.Text = user._bMonth;
day_cbx.Text = user._bDay;
phone1_tbx.Text = user._phone1;
phone2_tbx.Text = user._phone2;
email_tbx.Text = user._email;
note_tbx.Text = user._note;
}