Exception format

gistfile1.txt

 public static string Format(this Exception exception, bool includeStackTrace = false)
        {
            var sb = new StringBuilder();
            Format(sb, exception, false);
            if (includeStackTrace)
            {
                sb.AppendLine();
                Format(sb, exception, true);
            }
            return sb.ToString();
        }

        private static void Format(StringBuilder sb, Exception exception, bool includeStackTrace)
        {
            sb.AppendLine(exception.Message);

            var validationException = exception as DbEntityValidationException;
            if (validationException != null)
                foreach (var error in validationException.EntityValidationErrors.SelectMany(e => e.ValidationErrors))
                    sb.Append(error.PropertyName).Append(": ").AppendLine(error.ErrorMessage);

            if (includeStackTrace)
            {
                sb.AppendLine(exception.StackTrace);
                sb.AppendLine();
            }

            if (exception.InnerException != null)
            {
                Format(sb, exception.InnerException, includeStackTrace);
            }
        }