public void Register(DeviceInfo device)
{
var conn = new SqlConnection(_connectionString);
conn.Open();
var sql = new SqlCommand(string.Format("exec mob_update_device_registration '{0}', '{1}', '{2}', '{3}'", device.UniqueId, device.MobileOs, device.OsVersion, device.IP), conn);
sql.ExecuteNonQuery();
conn.Close();
}