C# Categories类代码示例

        public ActionResult Add(string catTitle = "", int parentID = 0, string image = "", int isLifestyle = 0, string shortDesc = "", string longDesc = "", bool vehicleSpecific = false)
        {
            // Save the category
            List<string> error_messages = new List<string>();
            Categories cat = new Categories();
            try {
                cat = ProductCat.SaveCategory(0, catTitle, parentID, image, isLifestyle, shortDesc, longDesc, vehicleSpecific);
            } catch (Exception e) {
                error_messages.Add(e.Message);
            }

            // Make sure we didn't catch any errors
            if (error_messages.Count == 0 && cat.catID > 0) {
                return RedirectToAction("Index");
            } else {
                ViewBag.catTitle = catTitle;
                ViewBag.parentID = parentID;
                ViewBag.image = image;
                ViewBag.isLifestyle = isLifestyle;
                ViewBag.shortDesc = shortDesc;
                ViewBag.longDesc = longDesc;
                ViewBag.vehicleSpecific = vehicleSpecific;
                ViewBag.error_messages = error_messages;
            }

            // Get the categories so this category can make the new one a subcategory if they choose
            List<DetailedCategories> cats = ProductCat.GetCategories();
            ViewBag.cats = cats;

            return View();
        }

 public static int ContainsCategory(Categories category, Categories find)
 {
     if ((category & find) == find)
         return 1;
     else
         return 0;
 }

    /// <summary>
    /// AddCategory checks if the category name is not in use, if not in use it adds a new category
    /// </summary>
    /// <param name="category"></param>
    /// <returns></returns>
    public static string AddCategory(Categories category)
    {
        string query = string.Format("SELECT COUNT(*) FROM categories WHERE name = '{0}'", category.Name);
        command.CommandText = query;

        try
        {
            conn.Open();
            int amountOfCategorys = (int)command.ExecuteScalar();

            if (amountOfCategorys < 1)      // Check if category does NOT exist
            {
                // Category does NOT exists, create a new category
                query = string.Format(@"INSERT INTO categories VALUES ('{0}')", category.Name);
                command.CommandText = query;
                command.ExecuteNonQuery();
                return "Categorie toegevoegd!";
            }
            else        // Category exists, return error message
            {
                return "Deze categorie bestaat al, categorie niet toegevoegd.";
            }
        }
        finally
        {
            conn.Close();
            command.Parameters.Clear();
        }
    }

		public void TimeMethod(decimal elapsedMiliSeconds, Categories category, Layers layer)
		{
			if (IsEnabled())
			{
				WriteEvent(EventIds.TimeMethod, elapsedMiliSeconds, category, layer);
			}
		}

        public void Track(Categories category, string action, string label = null, int value = 0)
        {
            if (!_disabled)
                _tracker.TrackEventAsync(category.ToString(), action, label, value);

                System.Diagnostics.Debug.WriteLine("Analytics: {0}/{1}/{2}/{3}", category.ToString(), action, label, value);
        }

    protected void Page_Load(object sender, EventArgs e)
    {
        dbOps = DBOperations.Instance;
        links = Links.Instance;
        general = General.Instance;
        gui = GUIVariables.Instance;
        categories = Categories.Instance;
        engine = ProcessingEngine.Instance;
        imageEngine = ImageEngine.Instance;
        tagger = Tagger.Instance;
        log = Logger.Instance;

        seperator = gui.Seperator;

        //  QueryString Param Names.
        //  ratingID
        //  value

        string iid = string.Empty;
        string value = string.Empty;

        #region CookieAlreadyExists
        //  START: If a getputsCookie with the Username already exists, do not show the Login Page.

        if (Request.Cookies["getputsCookie"] != null)
        {
            HttpCookie getputsCookie = Request.Cookies["getputsCookie"];
            UID = dbOps.Decrypt(getputsCookie["UID"].ToString().Trim());
        }
        if (string.IsNullOrEmpty(UID))
        {

        }
        else
        {

        }
        //  END: If a getputsCookie with the Username already exists, do not show the Login Page.
        #endregion CookieAlreadyExists

        if (Request.QueryString != null && Request.QueryString.Count > 0)
        {
            //  ratingID is the Item IID.
            if (!string.IsNullOrEmpty(Request.QueryString["ratingID"]))
            {
                iid = Request.QueryString["ratingID"];
            }
            //  Value is the Rating given by the user. Value: [0, 1, 2, 3, 4]. So add +1 so as to convert Value: [1, 2, 3, 4, 5]
            if (!string.IsNullOrEmpty(Request.QueryString["value"]))
            {
                int intValue = -1;
                value = int.TryParse(Request.QueryString["value"], out intValue) ? (intValue + 1).ToString() : "-1";
            }
        }

        if (!string.IsNullOrEmpty(UID) && !string.IsNullOrEmpty(iid) && !string.IsNullOrEmpty(value))
        {
            UpdateRatings(UID, iid, value);
        }
    }

 public AllDemoMVCBLL()
 {
     Categories = new Categories();
     Logins = new Logins();
     SubCategories = new SubCategories();
     Receipies = new Receipies();
 }

        public void GetWordShouldWorkPropperlyWhenValidInput(Categories category)
        {
            var word = this.wordFactory.GetWord(category);

            Assert.IsNotNull(word);
            Assert.IsNotNull(word.Content);
        }

    /// <summary> 
    /// This function is used to get all the available
    /// categories of possible events
    /// </summary>
    /// <param name="key">Key required to make the API call</param>
    /// <returns>JSON in String Format containing all categories</returns> 
    public string GetCategories(string key)
    {
        String outputString = "";
        int count = 0;
        Category category = null;
        Categories categories = new Categories();
        using (WebClient wc = new WebClient())
        {

            string xml = wc.DownloadString("http://api.evdb.com/rest/categories/list?app_key=" + key);
            XmlDocument doc = new XmlDocument();
            doc.LoadXml(xml);
            XmlNodeList root = doc.GetElementsByTagName("category");
            count = root.Count;
            string json = JsonConvert.SerializeXmlNode(doc);
            JObject obj = JObject.Parse(json);
            int temp = 0;
            while (temp < count)
            {
                category = new Category();
                category.categoryID = (string)obj["categories"]["category"][temp]["id"];
                category.categoryName = (string)obj["categories"]["category"][temp]["name"];
                categories.categories.Add(category);
                temp++;
            }
            outputString = JsonConvert.SerializeObject(categories);
        }
        return outputString;
    }

        public ViewResult Search(string name, Categories? categoty)
        {
            var lista = _business.GetActiveProducts();

            var model = new ProductList();

            if(lista != null)
            {
                if (!String.IsNullOrEmpty(name) && categoty != null)
                    model.Products =
                        lista.Where(
                            x =>
                            ((!String.IsNullOrEmpty(name) && x.Name.ToLower().Contains(name.ToLower())) && (x.Category.Equals(categoty)))).
                            Select(x => new Models.Product.Product().InjectFrom(x)).Cast<Models.Product.Product>().ToList();
                else if (!String.IsNullOrEmpty(name))
                    model.Products =
                        lista.Where(x => !String.IsNullOrEmpty(name) && x.Name.ToLower().Contains(name.ToLower())).Select(
                            x => new Models.Product.Product().InjectFrom(x)).Cast<Models.Product.Product>().ToList();
                else if (categoty != null)
                    model.Products =
                        lista.Where(x => x.Category.Equals(categoty)).Select(x => new Models.Product.Product().InjectFrom(x)).Cast
                            <Models.Product.Product>().ToList();
                else
                    model.Products = lista.Select(x => new Models.Product.Product().InjectFrom(x)).Cast<Models.Product.Product>().ToList();
            }
            else
            {
                model.Products = new List<Models.Product.Product>();
            }

            return View("Index",model);
        }

    protected void Page_Load(object sender, EventArgs e)
    {
        links = Links.Instance;
        gui = GUIVariables.Instance;
        dbOps = DBOperations.Instance;
        categories = Categories.Instance;
        log = Logger.Instance;
        engine = ProcessingEngine.Instance;
        general = General.Instance;
        imageEngine = ImageEngine.Instance;

        seperator = gui.Seperator;

        if (string.IsNullOrEmpty(Request.QueryString["UID"]))
        {

        }
        else
        {
            queryStringUID = Request.QueryString["UID"].Trim().ToLower();
        }

        if (string.IsNullOrEmpty(queryStringUID))
        {

        }
        else
        {
            LoadComments(queryStringUID);
        }
    }

 public void Exit(Categories category, Layers layer, string className, string methodName, string message, string outArgs, long? elapsedMiliSeconds)
 {
     if (IsEnabled())
     {
         WriteEvent(EventIds.MethodEnd, category, layer, className, methodName, message, outArgs, elapsedMiliSeconds);
     }
 }

 public void Enter(Categories category, Layers layer, string className, string methodName, string message, string inArgs)
 {
     if (IsEnabled())
     {
         WriteEvent(EventIds.MethodStart, category, layer, className, methodName, message, inArgs);
     }
 }

 public TraceCallGraphAspect(Categories category, Layers layer, CallFlowType flowType=CallFlowType.Layer, bool logCallStack=false)
 {
     this.Category = category;
     this.Layer = layer;
     this.FlowType = flowType;
     this.LogCallStack = logCallStack;
 }

 public Demographic(int turn, Categories category, float value, float average, int rank)
 {
     Turn = turn;
     Category = category;
     Value = value;
     Average = average;
     Rank = rank;
 }