상속: INotifyPropertyChanged
        public void RemoveTable(TableServiceSchema table)
        {
            if (table == null)
                throw new ArgumentNullException("table", "The table to remove cannot be null");

            this.AttachTo("Tables", table);
            this.DeleteObject(table);
        }
        public void AddTable(TableServiceSchema table)
        {
            if (table == null)
                throw new ArgumentNullException("table", "The table to add cannot be null");

            if (string.IsNullOrWhiteSpace(table.TableName))
                throw new ArgumentException("You need to provide a valid name for the new table", "table");

            this.AddObject("Tables", table);
        }