/// <summary>
        /// Реулизация Insert
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void InsertButtn_Click(object sender, RoutedEventArgs e)
        {
            if (selectedTable == Table.device)
            {
                DevicesWin devicesWin = new DevicesWin(db);

                devicesWin.ShowDialog();
                SelectDevices();
            }

            if (selectedTable == Table.department)
            {
                DepartmentWindow department = new DepartmentWindow(db);

                department.ShowDialog();
                SelectDeparments();
            }

            if (selectedTable == Table.user)
            {
                UsersWindow usersWindow = new UsersWindow(db);
                usersWindow.ShowDialog();
                SelectUsers();
            }

            if (selectedTable == Table.deviceNateworks)
            {
                DeviceNetworksWindow deviceNetworks = new DeviceNetworksWindow(db);
                deviceNetworks.ShowDialog();
                SelectDeviceNetworks();
            }

            if (selectedTable == Table.network)
            {
                NetworksWindow networks = new NetworksWindow(db);
                networks.ShowDialog();
                SelectNetworks();
            }
        }
        /// <summary>
        /// Реализация Update
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void UpdateButton_Click(object sender, RoutedEventArgs e)
        {
            //Устройства
            if (shownTable == Table.device)
            {
                Devices device  = tablesGrid.SelectedItem as Devices;
                var     uDevice = db.Devices.Where(d => d.deviceID == device.deviceID).FirstOrDefault();

                DevicesWin window = new DevicesWin(db, uDevice);

                window.ShowDialog();

                SelectDevices();
            }

            //Отделы
            if (shownTable == Table.department)
            {
                Departments department  = tablesGrid.SelectedItem as Departments;
                var         udepartment = db.Departments.Where(d => d.departmentID == department.departmentID).FirstOrDefault();

                DepartmentWindow window = new DepartmentWindow(db, udepartment);

                window.ShowDialog();

                SelectDeparments();
            }

            //Пользователи
            if (shownTable == Table.user)
            {
                Users user  = tablesGrid.SelectedItem as Users;
                var   uUser = db.Users.Where(u => u.userID == user.userID).FirstOrDefault();

                UsersWindow window = new UsersWindow(db, uUser);

                window.ShowDialog();

                SelectUsers();
            }

            //Сети устройства
            if (shownTable == Table.deviceNateworks)
            {
                DeviceNetworks network  = tablesGrid.SelectedItem as DeviceNetworks;
                var            uNetwork = db.DeviceNetworks.Where(n => n.networkID == network.networkID && n.deviceID == network.deviceID).FirstOrDefault();

                DeviceNetworksWindow window = new DeviceNetworksWindow(db, uNetwork);

                window.ShowDialog();

                SelectDeviceNetworks();
            }

            //Сети
            if (shownTable == Table.network)
            {
                Networks network  = tablesGrid.SelectedItem as Networks;
                var      uNetwork = db.Networks.Where(n => n.networkID == network.networkID).FirstOrDefault();

                NetworksWindow window = new NetworksWindow(db, uNetwork);

                window.ShowDialog();

                SelectNetworks();
            }
        }