private void ValidateTemplateName()
 {
     ClearErrorInfo(nameof(TemplateName));
     if (TemplateName.Any(c => Path.GetInvalidFileNameChars().Contains(c)))
     {
         AddErrorInfo(nameof(TemplateName), "Enter a valid name as file name.");
     }
     else if (CsvConfigFileManager.Default.SettingsList.Contains(TemplateName))
     {
         AddErrorInfo(nameof(TemplateName), $"{TemplateName} is already exist.");
     }
 }