public void ViewOnlinePickUpRequest()
        {
            if (pickUpRB.Checked)
            {
                branchId = staff.BranchId;
                button1.Enabled = true;

                DataTable dt = ParcelController.GetAllParcelsToPickUp();
                DataTable dt1 = new DataTable();

                dt1 = dt.DefaultView.ToTable(
                    true, "tracking_number", "pieces", "weight", "date_created", "sender_name",
                    "sender_phone", "sender_address", "sender_location", "sender_postcode", "receiver_name", "receiver_phone", "receiver_address",
                    "receiver_location", "receiver_postcode");

                dataGridView1.DataSource = dt1;
                

            }
            else
            {
                button1.Enabled = false;
            }
        }