public TotalSale(DateTime beginDate, DateTime endDate) { this.m_BeginDate = beginDate; this.m_EndDate = endDate; this.m_TotalMoney = dal.GetTotalMoney(this.m_BeginDate, this.m_EndDate); this.m_TotalOrder = dal.GetTotalOrder(this.m_BeginDate, this.m_EndDate); this.m_HaveOrderOfMember = dal.GetHaveOrderOfMember(); this.m_TotalMember = dal.GetTotalMember(); this.m_TotalHits = dal.GetTotalHits(); }