数据库连接测试等待时间设定

public static bool TestDatabaseConnection(string server, string connectionString)
        {
            bool isSuccess = false;

            using (SqlConnection connection = new SqlConnection(connectionString))
            {
                using (SqlCommand command = new SqlCommand("", connection))
                {
                    try
                    {
                        Ping pingSender = new Ping();
                        PingOptions options = new PingOptions();
                        options.DontFragment = true;
                        byte[] buffer = Encoding.ASCII.GetBytes("test");
                        PingReply reply = pingSender.Send(server, 120, buffer, options);
                        if (reply.Status != IPStatus.Success)
                        {
                            return false;
                        }

                        connection.Open();
                        command.CommandTimeout = 3;
                        if (connection.State == ConnectionState.Open)
                        {
                            connection.Close();
                            isSuccess = true;
                        }
                        else
                        {
                            isSuccess = false;
                        }
                    }
                    catch (Exception ex)
                    {
                        ex.Message.ToString();
                        return false;
                    }

                    return isSuccess;
                }
            }
        }