C# SettingsPropertyValueCollection.Add方法代码示例

		public void AddDuplicate ()
		{
			SettingsPropertyValueCollection col = new SettingsPropertyValueCollection ();
			SettingsProperty test_prop = new SettingsProperty ("test_prop");
			SettingsPropertyValue val = new SettingsPropertyValue (test_prop);

			col.Add (val);

			Assert.AreEqual (1, col.Count, "A1");

			col.Add (val);

			Assert.AreEqual (1, col.Count, "A2");
		}

        public override SettingsPropertyValueCollection GetPropertyValues(SettingsContext context,
            SettingsPropertyCollection collection)
        {
            var properties = new SettingsPropertyValueCollection();
            if (collection.Count < 1)
                return properties;

            var username = (string) context["UserName"];
            foreach (SettingsProperty property in collection)
            {
                properties.Add(new SettingsPropertyValue(property));
            }

            var db = new MyLifeEntities();
            var profile = db.tblProfiles.Where(item => item.UserName == username).FirstOrDefault();
            if (profile != null)
            {
                var names =
                    profile.PropertyNames.Split(new[] {";#"}, StringSplitOptions.RemoveEmptyEntries);
                var values =
                    profile.PropertyValues.Split(new[] {";#"}, StringSplitOptions.RemoveEmptyEntries);
                if (names.Length > 0 && values.Length > 0)
                {
                    for (var i = 0; i < names.Length; i++)
                    {
                        var property = properties[names[i]];
                        if (property == null) continue;
                        property.PropertyValue = Base64Serializer.Deserialize(values[i]);
                    }
                }
            }

            return properties;
        }

        /// <summary>
        /// Returns the collection of settings property values for the specified application instance and settings property group.
        /// </summary>
        /// <returns>
        /// A <see cref="T:System.Configuration.SettingsPropertyValueCollection"/> containing the values for the specified settings property group.
        /// </returns>
        /// <param name="context">A <see cref="T:System.Configuration.SettingsContext"/> describing the current application use.
        ///                 </param><param name="collection">A <see cref="T:System.Configuration.SettingsPropertyCollection"/> containing the settings property group whose values are to be retrieved.
        ///                 </param><filterpriority>2</filterpriority>
        public override SettingsPropertyValueCollection GetPropertyValues(SettingsContext context, SettingsPropertyCollection collection)
        {
            var username = (string) context["UserName"];
            var isAuthenticated = (bool) context["IsAuthenticated"];
            Profile profile = ProfileManager.Instance.GetCurrentUser(username);

            var svc = new SettingsPropertyValueCollection();

            foreach (SettingsProperty prop in collection)
            {
                var pv = new SettingsPropertyValue(prop);

                switch (pv.Property.Name)
                {
                    case _PROFILE_SHOPPINGCART:
                        pv.PropertyValue = CartList.GetCart(profile.UniqueID, true);
                        break;
                    case _PROFILE_WISHLIST:
                        pv.PropertyValue = CartList.GetCart(profile.UniqueID, false);
                        break;
                    case _PROFILE_ACCOUNT:
                        if (isAuthenticated)
                            pv.PropertyValue = new Address(profile);
                        break;
                    default:
                        throw new ApplicationException(string.Format("{0} name.", _ERR_INVALID_PARAMETER));
                }

                svc.Add(pv);
            }
            return svc;
        }

		public override SettingsPropertyValueCollection GetPropertyValues(SettingsContext context, SettingsPropertyCollection props)
		{
			XmlSettingsFile localFile = XmlSettingsFile.GetLocalSettingsFile(GetTypeFromContext(context));
			XmlSettingsFile roamingFile = XmlSettingsFile.GetRoamingSettingsFile(GetTypeFromContext(context));
			SettingsPropertyValueCollection values = new SettingsPropertyValueCollection();

			foreach (SettingsProperty setting in props)
			{
				SettingsPropertyValue value = new SettingsPropertyValue(setting);
				value.IsDirty = false;

				if (IsRoaming(setting))
				{
					value.SerializedValue = roamingFile.GetValue(setting);
				}
				else
				{
					value.SerializedValue = localFile.GetValue(setting);
				}

				values.Add(value);
			}

			return values;
		}

        public override SettingsPropertyValueCollection GetPropertyValues(SettingsContext context, SettingsPropertyCollection collection)
        {
            // set all of the inherited default values first in case we have failure later
            SettingsPropertyValueCollection settings = new SettingsPropertyValueCollection();
            foreach (SettingsProperty prop in collection)
            {
                SettingsPropertyValue spv = new SettingsPropertyValue(prop);
                spv.SerializedValue = prop.DefaultValue;
                settings.Add(spv);
            }

            // now read in overridden user settings
            try
            {
                Configuration config = null;
                ClientSettingsSection clientSettings = GetUserSettings(out config, true);
                foreach (SettingsPropertyValue spv in settings)
                {
                    DeserializeFromXmlElement(spv.Property, spv, clientSettings);
                }
            }
            catch
            {
                // suppress
            }

            return settings;
        }

        public override SettingsPropertyValueCollection GetPropertyValues(SettingsContext context,
            SettingsPropertyCollection collection)
        {
            SettingsPropertyValueCollection result = new SettingsPropertyValueCollection();
            if (collection.Count < 1)
                return result;

            string userEmail = (string) context["UserName"]; //Эта строка мне пока не понятна
            if (string.IsNullOrEmpty(userEmail))
                return result;

            var user = UserService.GetByEmail(userEmail);
            var profile = ProfileService.GetProfile(user);

            foreach (SettingsProperty prop in collection)
            {
                SettingsPropertyValue svp = new SettingsPropertyValue(prop)
                {
                    PropertyValue = profile.GetType().GetProperty(prop.Name).GetValue(profile, null)
                };

                result.Add(svp);
            }

            return result;
        }

		private static void SetSharedPropertyValues(ApplicationSettingsBase settings, Dictionary<string, string> values)
		{
			foreach (SettingsProvider provider in settings.Providers)
			{
				ISharedApplicationSettingsProvider sharedSettingsProvider = GetSharedSettingsProvider(provider);
				if (sharedSettingsProvider == null)
					throw new NotSupportedException("Setting shared values is not supported.");

				var properties = GetPropertiesForProvider(settings, provider);
				SettingsPropertyValueCollection settingsValues = new SettingsPropertyValueCollection();

				foreach (var value in values)
				{
					SettingsProperty property = properties[value.Key];
					if (property == null)
						continue;

					settingsValues.Add(new SettingsPropertyValue(property) { SerializedValue = value.Value, IsDirty = true });
				}

				sharedSettingsProvider.SetSharedPropertyValues(settings.Context, settingsValues);
			}

			SaveIfDirty(settings);
			settings.Reload();
		}

		/// <summary>
		/// Returns the collection of settings property values for the specified application instance and settings property group.
		/// </summary>
		/// <param name="context">A System.Configuration.SettingsContext describing the current application use.</param>
		/// <param name="collection">A System.Configuration.SettingsPropertyCollection containing the settings property group whose values are to be retrieved.</param>
		/// <returns>A System.Configuration.SettingsPropertyValueCollection containing the values for the specified settings property group.</returns>
		public override SettingsPropertyValueCollection GetPropertyValues(
			SettingsContext context, SettingsPropertyCollection collection)
		{
			string username        = (string)context["UserName"];
			bool   isAuthenticated = (bool)  context["IsAuthenticated"];

			SettingsPropertyValueCollection svc = new SettingsPropertyValueCollection();

			foreach (SettingsProperty prop in collection)
			{
				SettingsPropertyValue pv = new SettingsPropertyValue(prop);

				switch (pv.Property.Name)
				{
					case PROFILE_SHOPPINGCART: pv.PropertyValue = GetCartItems(username, true);  break;
					case PROFILE_WISHLIST:     pv.PropertyValue = GetCartItems(username, false); break;
					case PROFILE_ACCOUNT:
						if (isAuthenticated)
							pv.PropertyValue = GetAccountInfo(username);
						break;

					default:
						throw new ApplicationException(ERR_INVALID_PARAMETER + " name.");
				}

				svc.Add(pv);
			}

			return svc;
		}

    public void SettingValuesCreatesAnAppAndUserId()
    {
      MySQLProfileProvider provider = InitProfileProvider();
      SettingsContext ctx = new SettingsContext();
      ctx.Add("IsAuthenticated", false);
      ctx.Add("UserName", "user1");

      SettingsPropertyValueCollection values = new SettingsPropertyValueCollection();
      SettingsProperty property1 = new SettingsProperty("color");
      property1.PropertyType = typeof(string);
      property1.Attributes["AllowAnonymous"] = true;
      SettingsPropertyValue value = new SettingsPropertyValue(property1);
      value.PropertyValue = "blue";
      values.Add(value);

      provider.SetPropertyValues(ctx, values);

      DataTable dt = FillTable("SELECT * FROM my_aspnet_applications");
      Assert.AreEqual(1, dt.Rows.Count);
      dt = FillTable("SELECT * FROM my_aspnet_users");
      Assert.AreEqual(1, dt.Rows.Count);
      dt = FillTable("SELECT * FROM my_aspnet_profiles");
      Assert.AreEqual(1, dt.Rows.Count);

      values["color"].PropertyValue = "green";
      provider.SetPropertyValues(ctx, values);

      dt = FillTable("SELECT * FROM my_aspnet_applications");
      Assert.AreEqual(1, dt.Rows.Count);
      dt = FillTable("SELECT * FROM my_aspnet_users");
      Assert.AreEqual(1, dt.Rows.Count);
      dt = FillTable("SELECT * FROM my_aspnet_profiles");
      Assert.AreEqual(1, dt.Rows.Count);
    }

		/// <summary>
		/// Must override this, this is the bit that matches up the designer properties to the dictionary values
		/// </summary>
		/// <param name="context"></param>
		/// <param name="collection"></param>
		/// <returns></returns>
		public override SettingsPropertyValueCollection GetPropertyValues(SettingsContext context, SettingsPropertyCollection collection) {
			//load the file
			if (!_loaded) {
				_loaded = true;
				LoadValuesFromFile();
			}

			//collection that will be returned.
			SettingsPropertyValueCollection values = new SettingsPropertyValueCollection();

			//itterate thought the properties we get from the designer, checking to see if the setting is in the dictionary
			foreach (SettingsProperty setting in collection) {
				SettingsPropertyValue value = new SettingsPropertyValue(setting);
				value.IsDirty = false;

				//need the type of the value for the strong typing
				var t = Type.GetType(setting.PropertyType.FullName);

				if (SettingsDictionary.ContainsKey(setting.Name)) {
					value.SerializedValue = SettingsDictionary[setting.Name].value;
					value.PropertyValue = Convert.ChangeType(SettingsDictionary[setting.Name].value, t);
				}
				else //use defaults in the case where there are no settings yet
				{
					value.SerializedValue = setting.DefaultValue;
					value.PropertyValue = Convert.ChangeType(setting.DefaultValue, t);
				}

				values.Add(value);
			}
			return values;
		}

 public override SettingsPropertyValueCollection GetPropertyValues(SettingsContext context, SettingsPropertyCollection collection)
 {
     SettingsPropertyValueCollection v = new SettingsPropertyValueCollection();
     value = new SettingsPropertyValue(new SettingsProperty("Style"));
     value.PropertyValue = "null";
     v.Add(value);
     return v;
 }

		public static SettingsPropertyValueCollection ToSettingsPropertyValueCollection(this IEnumerable<SettingsPropertyValue> values)
		{
			var c = new SettingsPropertyValueCollection();
			foreach (var value in values)
			{
				c.Add(value);
			}
			return c;
		}

        /// <summary>
        /// Loads the settings from the database. This is only called when a propery in the Settings object
        /// is used the first time, each time after that the assembly uses it's local cache
        /// </summary>
        /// <param name="context"></param>
        /// <param name="properties"></param>
        /// <returns>The requested settings</returns>
        public override SettingsPropertyValueCollection GetPropertyValues(SettingsContext context, SettingsPropertyCollection properties) {
            SettingsPropertyValueCollection values = new SettingsPropertyValueCollection();
            string section = GetSectionName(context);
            settings = SnapShot.GetFor(section);
            foreach (SettingsProperty property in properties) {

                SpecialSettingAttribute attribute = property.Attributes[typeof(SpecialSettingAttribute)] as SpecialSettingAttribute;
                if (attribute != null && (attribute.SpecialSetting == SpecialSetting.ConnectionString))
                    values.Add(GetConnectionStringValue(section, property));
                else if (IsApplicationSetting(property))
                    values.Add(GetApplcationSetting(property));
                else
                    throw new ConfigurationErrorsException("User settings are not supported in this provider");
            }
            
            return values;

        }

        public override SettingsPropertyValueCollection GetPropertyValues(SettingsContext context, SettingsPropertyCollection collection)
        {
            // коллекция, которая возвращает значения свойств профиля
            var result = new SettingsPropertyValueCollection();

            if (collection == null || collection.Count < 1 || context == null)
            {
                return result;
            }

            // получаем из контекста имя пользователя - логин в системе
            var username = (string)context["UserName"];
            if (String.IsNullOrEmpty(username)) return result;


            // получаем id пользователя из таблицы Users по логину
            var firstOrDefault = userService.GetUserEntityByEmail(username);
            if (firstOrDefault != null)
            {
                int userId = firstOrDefault.Id;
                // по этому id извлекаем профиль из таблицы профилей
                ProfileEntity profile = profileService.GetProfileByUserId(userId);
                if (profile != null)
                {
                    foreach (SettingsProperty prop in collection)
                    {
                        var spv = new SettingsPropertyValue(prop)
                        {
                            PropertyValue = profile.GetType().GetProperty(prop.Name).GetValue(profile, null)
                        };
                        result.Add(spv);
                    }
                }
                else
                {
                    foreach (SettingsProperty prop in collection)
                    {
                        var svp = new SettingsPropertyValue(prop) { PropertyValue = null };
                        result.Add(svp);
                    }
                }
            }
            return result;
        }

		public override SettingsPropertyValueCollection GetPropertyValues(SettingsContext context, SettingsPropertyCollection props) {
			var values = new SettingsPropertyValueCollection();
			foreach (SettingsProperty property in props) {
				var value2 = new SettingsPropertyValue(property) {
					IsDirty = false,
					SerializedValue = GetValue(property)
				};
				values.Add(value2);
			}
			return values;
		}