/// <summary>
 /// This method is used to update the user.
 /// </summary>
 public void UpdateeWelcomeMessageInMemory(WelcomeMessage welcomeMessageUpdate)
 {
     InMemoryDatabaseSingleton.DatabaseInstance.Update(welcomeMessageUpdate);
 }
        /// <summary>
        /// This method is used to update the grade name.
        /// </summary>
        /// <param name="score">This is the grade name.</param>
        public void UpdateWelcomeMessageName(string message)
        {
            WelcomeMessage WelcomeMessage = InMemoryDatabaseSingleton.DatabaseInstance.SelectTopOne <WelcomeMessage>(x => x.Message == Message);

            WelcomeMessage.Message = message;
        }