public MainWindow()
        {
            ServicePointManager.DefaultConnectionLimit = 100;
            InitializeComponent();
            string retrievedHTML = RetrieveData(Url);

            IEnumerable<Categories> categorieses = FetchCategoryNames(retrievedHTML);
            foreach (var categoriesContent in categorieses)
            {
                var webSite = new WebSite();
                webSite.AddCategories(categoriesContent.CategoryName, categoriesContent.CategoryURL);
            }
            cmbCategories.ItemsSource = categorieses;
        }
        private void FetchSubCategories()
        {
            const int pagesToCheckForSubCategories = 200;
            var categoriesContents = new List<CategoriesContent>();

            string urlToFetch = cmbCategories.SelectedValue.ToString();
            prgCategory.Maximum = pagesToCheckForSubCategories;
            prgCategory.Value = 1;
            string retrievedHTML = RetrieveData(urlToFetch);

            categoriesContents.AddRange(FetchSelectedCategoryContent(retrievedHTML));

            for (int i = 2; i < pagesToCheckForSubCategories; i++)//Checks the no of pages where from different individual star celebrity names can be found.
            {
                string url = urlToFetch + "?order=n&page=" + i;
                retrievedHTML = RetrieveData(url);
                prgCategory.Value = i;
                categoriesContents.AddRange(FetchSelectedCategoryContent(retrievedHTML));
            }

            var categoriesContentsToBind = new List<CategoriesContent>();

            foreach (var categoriesContent in categoriesContents)
            {
                var content = categoriesContent;
                if (categoriesContentsToBind.Where(i => i.Name == content.Name).ToList().Count == 0)
                {
                    var webSite = new WebSite();
                    webSite.AddSubCategoriesCategories(categoriesContent.Name, categoriesContent.URL);
                    categoriesContentsToBind.Add(categoriesContent);
                }
            }

            cmbSubCategories.ItemsSource = categoriesContentsToBind.OrderBy(val => val.Name).ToList();
        }
        private void DownloadImage(string downloadImageUrl)
        {
            string filePath = GetFilePath(downloadImageUrl);
            try
            {
                WebSite webSite = new WebSite();

                if (filePath.Contains("jpg"))
                {
                    FunctionCallStatus functionCallStatus = webSite.AddDownloadLinks(cmbSubCategories.Text,
                                                                                     downloadImageUrl);
                    if (functionCallStatus != FunctionCallStatus.DataAlreadyExists)
                    {
                        _wc = new WebClient();
                        _wc.DownloadFile(new Uri(downloadImageUrl), filePath);
                    }
                }
            }
            catch (Exception)
            {
            }
        }