//hiennv
        private void btnApply_Click(object sender, EventArgs e)
        {
            try
            {
                if (this.CheckDataBeforeApply() == true)
                {

                    CustomerGroups_CustomersBO aCustomerGroupsCustomersBO = new CustomerGroups_CustomersBO();

                    if (aListRemove.Count > 0)
                    {
                        foreach (Customers item in aListRemove)
                        {
                            CustomerGroups_Customers aCustomerGroups_Customers = aCustomerGroupsCustomersBO.Select_ByIDCustomer_ByIDCustomerGroup(item.ID, IDCustomerGroup);
                            if (aCustomerGroups_Customers != null)
                            {
                                aCustomerGroupsCustomersBO.Delete(item.ID, IDCustomerGroup);
                            }
                        }
                        if (this.afrmTsk_CheckIn_Goverment_Step2 != null)
                        {
                            this.afrmTsk_CheckIn_Goverment_Step2.LoadIDCustomers();
                        }
                        else if (this.afrmTsk_CheckIn_Group_Step2 != null)
                        {
                            this.afrmTsk_CheckIn_Group_Step2.LoadIDCustomers();
                        }
                        else if (this.afrm_Tsk_CheckIn_Customer_Step2 != null)
                        {
                            this.afrm_Tsk_CheckIn_Customer_Step2.LoadCustomers();
                        }
                        else if (this.afrmTsk_Booking_Step2 != null)
                        {
                            this.afrmTsk_Booking_Step2.LoadIDCustomers();
                        }
                        else if (this.afrmTsk_CheckInGoverment_ForRoomBooking_Step2 != null)
                        {
                            this.afrmTsk_CheckInGoverment_ForRoomBooking_Step2.LoadIDCustomers();
                            this.afrmTsk_CheckInGoverment_ForRoomBooking_Step2.CallBackIDCustomer(aListAdd[0].ID);
                        }
                        else if (this.afrmTsk_CheckInGroup_ForRoomBooking_Step2 != null)
                        {
                            this.afrmTsk_CheckInGroup_ForRoomBooking_Step2.LoadIDCustomers();
                            this.afrmTsk_CheckInGroup_ForRoomBooking_Step2.CallBackIDCustomer(aListAdd[0].ID);
                        }
                        else if (this.afrmTsk_CheckInCustomer_ForRoomBooking_Step2 != null)
                        {
                            this.afrmTsk_CheckInCustomer_ForRoomBooking_Step2.LoadCustomers();
                            this.afrmTsk_CheckInCustomer_ForRoomBooking_Step2.CallBackIDCustomer(aListAdd[0].ID);
                        }

                    }
                    if (aListAdd.Count > 0)
                    {
                        CustomerGroups_Customers aCustomerGroups_Customers = new CustomerGroups_Customers();
                        foreach (Customers item in aListAdd)
                        {
                            aCustomerGroups_Customers = aCustomerGroupsCustomersBO.Select_ByIDCustomer_ByIDCustomerGroup(item.ID, IDCustomerGroup);
                            if (aCustomerGroups_Customers != null)
                            {

                                string name = (NameCustomerGroup + "_" + item.Name).Length > 150 ? (NameCustomerGroup + "_" + item.Name).Substring(0, 150) : (NameCustomerGroup + "_" + item.Name);
                                aCustomerGroups_Customers.Name = name;
                                aCustomerGroups_Customers.IDCustomer = item.ID;
                                aCustomerGroups_Customers.IDCustomerGroup = IDCustomerGroup;
                                aCustomerGroupsCustomersBO.Insert(aCustomerGroups_Customers);
                            }
                        }
                        if (this.afrmTsk_CheckIn_Goverment_Step2 != null)
                        {
                            this.afrmTsk_CheckIn_Goverment_Step2.LoadIDCustomers();
                            this.afrmTsk_CheckIn_Goverment_Step2.CallBackIDCustomer(aListAdd[0].ID);
                        }
                        else if (this.afrmTsk_CheckIn_Group_Step2 != null)
                        {
                            this.afrmTsk_CheckIn_Group_Step2.LoadIDCustomers();
                            this.afrmTsk_CheckIn_Group_Step2.CallBackIDCustomer(aListAdd[0].ID);
                        }
                        else if (this.afrm_Tsk_CheckIn_Customer_Step2 != null)
                        {
                            this.afrm_Tsk_CheckIn_Customer_Step2.LoadCustomers();
                            this.afrm_Tsk_CheckIn_Customer_Step2.CallBackIDCustomer(aListAdd[0].ID);
                        }
                        else if (this.afrmTsk_Booking_Step2 != null)
                        {
                            this.afrmTsk_Booking_Step2.LoadIDCustomers();
                            this.afrmTsk_Booking_Step2.CallBackIDCustomer(aListAdd[0].ID);
                        }
                        else if (this.afrmTsk_CheckInGoverment_ForRoomBooking_Step2 != null)
                        {
                            this.afrmTsk_CheckInGoverment_ForRoomBooking_Step2.LoadIDCustomers();
                            this.afrmTsk_CheckInGoverment_ForRoomBooking_Step2.CallBackIDCustomer(aListAdd[0].ID);
                        }
                        else if (this.afrmTsk_CheckInGroup_ForRoomBooking_Step2 != null)
                        {
                            this.afrmTsk_CheckInGroup_ForRoomBooking_Step2.LoadIDCustomers();
                            this.afrmTsk_CheckInGroup_ForRoomBooking_Step2.CallBackIDCustomer(aListAdd[0].ID);
                        }
                        else if (this.afrmTsk_CheckInCustomer_ForRoomBooking_Step2!= null)
                        {
                            this.afrmTsk_CheckInCustomer_ForRoomBooking_Step2.LoadCustomers();
                            this.afrmTsk_CheckInCustomer_ForRoomBooking_Step2.CallBackIDCustomer(aListAdd[0].ID);
                        }
                        else if (afrmTsk_BookingHall_Goverment != null)
                        {
                            afrmTsk_BookingHall_Goverment.CallBackIDCustomer(aListSelectCustomers);
                        }
                        else if (afrmTsk_BookingHall_Group != null)
                        {
                            afrmTsk_BookingHall_Group.CallBackIDCustomer(aListSelectCustomers);
                        }
                        else if (afrmTsk_BookingHall_Customer != null)
                        {
                            afrmTsk_BookingHall_Customer.CallBackIDCustomer(aListSelectCustomers);
                        }

                        else if (afrmTsk_UpdBooking != null)
                        {
                            afrmTsk_UpdBooking.CallBackIDCustomer(aListSelectCustomers);
                        }
                    }
                    this.Close();
                    MessageBox.Show("Thực hiện thành công!", "Thông báo ", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show("frmAddListCustomerToCustomerGroups.btnApply_Click\n" + ex.ToString(), "Error ", MessageBoxButtons.OK, MessageBoxIcon.Error);

            }
        }
        public int DeleteCustomerFromCustomerGroup_ByIDBookingRs(int IDCustomer, int IDBookingRs)
        {
            CustomerGroupsBO aCustomerGroupsBO = new CustomerGroupsBO();
            CustomerGroups aCustomerGroups = new CustomerGroups();
            aCustomerGroups = aCustomerGroupsBO.Select_ByIDBookingR(IDBookingRs);

            CustomerGroups_CustomersBO aCustomerGroups_CustomersBO = new CustomerGroups_CustomersBO();

            return aCustomerGroups_CustomersBO.Delete(IDCustomer, aCustomerGroups.ID);
        }
        private void btnApply_Click(object sender, EventArgs e)
        {
            try
            {
                CustomerGroups_CustomersBO aCustomerGroupsCustomersBO = new CustomerGroups_CustomersBO();

                if (aListRemove.Count > 0)
                {
                    foreach (Customers item in aListRemove)
                    {
                        List<CustomerGroups_Customers> count = aCustomerGroupsCustomersBO.Select_ByIDCustomer_ByIDCustomerGroup(item.ID, IDCustomerGroup);
                        if (count.Count > 0)
                        {
                            aCustomerGroupsCustomersBO.Delete(item.ID, IDCustomerGroup);
                        }
                    }

                }
                if (aListAdd.Count > 0)
                {
                    foreach (Customers item in aListAdd)
                    {
                        List<CustomerGroups_Customers> list = aCustomerGroupsCustomersBO.Select_ByIDCustomer_ByIDCustomerGroup(item.ID, IDCustomerGroup);
                        if (list.Count < 1)
                        {
                            CustomerGroups_Customers aCustomerGroups_Customers = new CustomerGroups_Customers();
                            string name = (NameCustomerGroup + "_" + item.Name).Length > 150 ? (NameCustomerGroup + "_" + item.Name).Substring(0, 250) : (NameCustomerGroup + "_" + item.Name);
                            aCustomerGroups_Customers.Name = name;
                            aCustomerGroups_Customers.IDCustomer = item.ID;
                            aCustomerGroups_Customers.IDCustomerGroup = IDCustomerGroup;
                            aCustomerGroupsCustomersBO.Insert(aCustomerGroups_Customers);
                        }
                    }
                }
                if (afrmTsk_BookingHall_Goverment != null)
                {
                    afrmTsk_BookingHall_Goverment.CallBackIDCustomer(aListSelectCustomers);
                }
                if (afrmTsk_BookingHall_Group != null)
                {
                    afrmTsk_BookingHall_Group.CallBackIDCustomer(aListSelectCustomers);
                }
                if (afrmTsk_BookingHall_Customer != null)
                {
                    afrmTsk_BookingHall_Customer.CallBackIDCustomer(aListSelectCustomers);
                }

                if (afrmTsk_UpdBooking != null)
                {
                    afrmTsk_UpdBooking.CallBackIDCustomer(aListSelectCustomers);
                }
                MessageBox.Show("Thực hiện thành công!", "Thông báo ", MessageBoxButtons.OK, MessageBoxIcon.Information);
                this.Close();

            }
            catch (Exception ex)
            {
                MessageBox.Show("frmAddListCustomerToCustomerGroups.btnApply_Click\n" + ex.ToString(), "Error ", MessageBoxButtons.OK, MessageBoxIcon.Error);

            }
        }