BF2Statistics.PlayerEditForm.ResetUnlocksBtn_Click C# (CSharp) Method

        private void ResetUnlocksBtn_Click(object sender, EventArgs e)
        {
            try
            {
                // Create New Player Unlock Data
                StringBuilder Query = new StringBuilder("INSERT INTO unlocks VALUES ");

                // Normal unlocks
                for (int i = 11; i < 100; i += 11)
                    Query.AppendFormat("({0}, {1}, 'n'), ", Pid, i);

                // Sf Unlocks
                for (int i = 111; i < 556; i += 111)
                {
                    Query.AppendFormat("({0}, {1}, 'n')", Pid, i);
                    if (i != 555) 
                        Query.Append(", ");
                }

                // Do driver queries
                using (StatsDatabase Driver = new StatsDatabase())
                using (DbTransaction T = Driver.BeginTransaction())
                {
                    try
                    {
                        // Perform queries
                        Driver.Execute("DELETE FROM unlocks WHERE id = " + Pid);
                        Driver.Execute("UPDATE player SET usedunlocks = 0 WHERE id = " + Pid);
                        Driver.Execute(Query.ToString());
                        T.Commit();

                        // Notify user
                        Notify.Show("Player Unlocks Have Been Reset", "This player will be able to select his new unlocks upon logging in.", AlertType.Success);
                    }
                    catch
                    {
                        T.Rollback();
                        throw;
                    }
                }
            }
            catch (DbConnectException Ex)
            {
                HttpServer.Stop();
                ExceptionForm.ShowDbConnectError(Ex);
                this.Close();
            }
        }