public NewOrEditCredentialDialog(AutomationCredential cred)
        {
            InitializeComponent();

            if (cred != null)
            {
                UsernameTextbox.Text     = cred.getUsername();
                PasswordTextbox.Password = cred.getPassword();

                this.Title = "Edit Credential Asset";
            }
            else
            {
                this.Title = "New Credential Asset";
            }
        }