BF2Statistics.Validator.IsValidPID C# (CSharp) Method

        public static bool IsValidPID(string pid)
        {
            return Regex.IsMatch(pid, @"^[0-9]{8,9}$");
        }

        /// <summary>
        /// Import Stats Button Click Event
        /// </summary>
        private void ImportBtn_Click(object sender, EventArgs e)
        {
            // Make sure PID text box is a valid PID
            if (!Validator.IsValidPID(PidTextBox.Text))
            {
                MessageBox.Show("The player ID entered is NOT a valid PID. Please try again.",
                                "Validation Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }

            // Establist Database connection
            try
            {
                using (StatsDatabase Database = new StatsDatabase())
                {
                    // Make sure the PID doesnt exist already
                    int Pid = Int32.Parse(PidTextBox.Text);
                    if (Database.PlayerExists(Pid))
                    {
                        MessageBox.Show("The player ID entered already exists.",
                                        "Import Error", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                        return;
                    }

                    // Show Task Form
                    TaskForm.Show(this, "Import ASP Stats", "Importing ASP Stats...", false, ProgressBarStyle.Blocks, 13);

                    // Setup the worker
                    bWorker = new BackgroundWorker();
                    bWorker.WorkerSupportsCancellation = false;
                    bWorker.WorkerReportsProgress      = true;

                    // Run Worker
                    bWorker.DoWork          += bWorker_ImportEaStats;
                    bWorker.ProgressChanged += (s, ea) =>
                    {
                        TaskForm.Progress.Report(new TaskProgressUpdate(ea.UserState.ToString(), ea.ProgressPercentage));
                    };
                    bWorker.RunWorkerCompleted += bWorker_RunWorkerCompleted;
                    bWorker.RunWorkerAsync(PidTextBox.Text);
                }
            }
            catch (DbConnectException Ex)
            {
                ExceptionForm.ShowDbConnectError(Ex);
                HttpServer.Stop();
                this.Close();
                return;
            }
        }