private void initAddinNameList()
        {
            foreach (KeyValuePair <string, string> entry in this.mAddinNameList)
            {
                AddinNameItem item = new AddinNameItem();
                item.Text  = entry.Value;
                item.Value = entry.Key;
                this.cbLicenseFor.Items.Add(item);
            }

            this.cbLicenseFor.SelectedIndex = 0;
        }
        private void genSerialKey()
        {
            try
            {
                FileStream   fs     = new FileStream(this.tbImportFile.Text, FileMode.Open, FileAccess.Read);
                StreamReader reader = new StreamReader(fs);
                strCode = reader.ReadToEnd();
                SQLHID  = strCode;
                reader.Close();
            }
            catch
            {
                MessageBox.Show("Please insert a *.HID file.");
                return;
            }

            //Get file name
            string filename = Path.GetFileName(this.tbImportFile.Text);
            int    index    = filename.IndexOf(".");

            if (index > 0)
            {
                filename = filename.Substring(0, index);
            }

            AddinNameItem item    = this.cbLicenseFor.SelectedItem as AddinNameItem;
            VersionItem   itemver = this.cbVersionFor.SelectedItem as VersionItem;

            strCode = strCode + item.Value + itemver.Value + "|" + this.createExpiredTime();

            String randomKey = this.randomKey() + EXTRA_KEY;

            strCode = this.encodeByDES(strCode, randomKey);

            strCode = strCode + "." + this.encodeByDES(randomKey, TRIDES_KEY);
            //FolderBrowserDialog openFileDiaglog = new FolderBrowserDialog();
            SaveFileDialog openFileDiaglog = new SaveFileDialog();

            openFileDiaglog.Filter   = "All Files (*.cert)|*.cert";
            openFileDiaglog.FileName = filename;
            if (openFileDiaglog.ShowDialog() == DialogResult.OK)
            {
                string filePath = Path.Combine(openFileDiaglog.FileName /*,filename+".cert"*/);

                FileStream   fscert = new FileStream(filePath, FileMode.Create, FileAccess.Write);
                StreamWriter writer = new StreamWriter(fscert);
                writer.Write(strCode);
                writer.Close();

                ConnectionString connection = new ConnectionString();
                connection.ConnectSqlParam();
                connection.insertInfo(tbCustomerName.Text, tbAddress.Text, this.cbLicenseFor.SelectedItem.ToString(), cbVersionFor.SelectedItem.ToString()
                                      , cbExpirationTime.SelectedItem.ToString(), SQLHID, TempSystem.UserName);
                //if (!File.Exists(filePath))
                //            {
                //            }
                //            else
                //            {
                //                MessageBox.Show("File " + filename + ".cert already exists.");
                //            }
            }
        }