Date.ToString C# (CSharp) Method

    public override string ToString()
    {
        return String.Format("{0}/{1}/{2}", Year, strMonths[Month-1], Day);
    }

        /// <summary>
        /// Build relative URL based on permalink template and other properties
        /// </summary>
        /// <returns></returns>
        public virtual string ToUrl()
        {
            var result = UrlTemplate?.Replace("~/", string.Empty) ?? string.Empty;

            if (BuiltInPermalinkStyles.ContainsKey(result))
            {
                result = BuiltInPermalinkStyles[result];
            }

            var removeLeadingSlash = !result.StartsWith("/");
            var categories         = Categories ?? new string[] { };

            result = result.Replace(":folder", FilePath != null ? Path.GetDirectoryName(FilePath).Replace("\\", "/") : string.Empty);
            result = result.Replace(":categories", string.Join("/", categories));
            result = result.Replace(":dashcategories", string.Join("-", categories));
            result = result.Replace(":year", Date?.Year.ToString(CultureInfo.InvariantCulture) ?? string.Empty);
            result = result.Replace(":month", Date?.ToString("MM") ?? string.Empty);
            result = result.Replace(":day", Date?.ToString("dd") ?? string.Empty);
            result = result.Replace(":title", FilePath != null ? GetTitleFromFilePath(FilePath) : string.Empty);
            result = result.Replace(":y_day", Date?.DayOfYear.ToString("000") ?? string.Empty);
            result = result.Replace(":short_year", Date?.ToString("yy") ?? string.Empty);
            result = result.Replace(":i_month", Date?.Month.ToString() ?? string.Empty);
            result = result.Replace(":i_day", Date?.Day.ToString() ?? string.Empty);

            if (result.Contains(":category"))
            {
                var matches = CategoryRegex.Matches(result);
                if (matches.Count > 0)
                {
                    foreach (Match match in matches)
                    {
                        var replacementValue = string.Empty;
                        if (match.Success)
                        {
                            int categoryIndex;
                            if (int.TryParse(match.Groups[1].Value, out categoryIndex) && categoryIndex > 0)
                            {
                                replacementValue = categories.Skip(categoryIndex - 1).FirstOrDefault();
                            }
                            else if (categories.Any())
                            {
                                replacementValue = categories.First();
                            }
                        }

                        result = result.Replace(match.Value, replacementValue);
                    }
                }
            }

            result = SlashesRegex.Replace(result, "/");

            if (removeLeadingSlash)
            {
                result = result.TrimStart('/');
            }

            return(result);
        }