private void buttonOk_Click(object sender, EventArgs e)
{
RoomInformation.NewRoom.Name = this.textBoxRoomName.Text;
RoomInformation.NewRoom.Deposit = Convert.ToDecimal(this.textBoxRoomDeposit.Text);
RoomInformation.NewRoom.DayCount = Convert.ToDecimal(this.textBoxRoomDayCount.Text);
RoomInformation.NewRoom.Type = this.comboBoxRoomType.SelectedIndex;
}