private void _Load(int ID)
        {
            StudenAccess acs = new StudenAccess();
            student      std = acs.getStuden(ID);

            txtID.Text        = std.C01_id.ToString().Trim();
            txtFirstName.Text = std.C02_firtsname.ToString().Trim();
            txtLastName.Text  = std.C03_lastname.ToString().Trim();
            timeBirthday.Text = std.C04_birthday.ToString().Trim();
            if (std.C05_gender == true)
            {
                radMale.Checked = true;
            }
            else
            {
                radFemale.Checked = true;
            }
            txtPhone.Text   = std.C06_phonenumber.ToString().Trim();
            txtAddress.Text = std.C07_address.ToString().Trim();
            //picAvatar.Image = AllUser.BinaryToImage(new byte[std.C08_avatar.Length]);
        }