private void LoadListViewCombo()
        {
            ComboBLL  comboBLL = new ComboBLL();
            DataTable dataTable;

            if (clickSearch)
            {
                dataTable = comboBLL.Search(dateStart.Value, dateEnd.Value, txtSeachCombo.Text);
            }
            else
            {
                dataTable = comboBLL.GetAllCombo();
            }
            LoadImage(dataTable, folder_combo, 120, 70);
            listViewData.Clear();
            listViewData.View           = View.Details;
            listViewData.FullRowSelect  = true;
            listViewData.SmallImageList = imageList;

            listViewData.Columns.Add("Hình ảnh", 120);
            listViewData.Columns.Add("Tên Combo", 80);
            listViewData.Columns.Add("Ngày bắt đầu", 140);
            listViewData.Columns.Add("Ngày kết thúc", 140);
            listViewData.Columns.Add("Total", 70);
            listViewData.Columns.Add("Giảm giá");

            ListViewItem lvitem;

            foreach (DataRow row in dataTable.Rows)
            {
                lvitem          = new ListViewItem();
                lvitem.ImageKey = row.Field <int>("Id").ToString();
                lvitem.SubItems.Add(row.Field <string>("ComboName"));
                lvitem.SubItems.Add(row.Field <DateTime>("DayStart").ToString());
                lvitem.SubItems.Add(row.Field <DateTime>("DayEnd").ToString());
                lvitem.SubItems.Add(row.Field <int>("Total").ToString("0,0"));
                lvitem.SubItems.Add(int.Parse(row.Field <string>("DiscountMoney")).ToString("0,0"));
                listViewData.Items.Add(lvitem);
            }
        }
        public void LoadListView()
        {
            ComboBLL  comboBLL = new ComboBLL();
            DataTable dataTable;

            if (clickSearch)
            {
                dataTable = comboBLL.Search(dateSearchStart.Value, dateSearchEnd.Value, txtSearch.Text);
            }
            else
            {
                dataTable = comboBLL.GetAllCombo();
            }
            LoadImage(dataTable);
            listViewCombo.Clear();
            listViewCombo.View           = View.Details;
            listViewCombo.FullRowSelect  = true;
            listViewCombo.SmallImageList = imageList;

            listViewCombo.Columns.Add("Image", 120);
            listViewCombo.Columns.Add("Combo Name", 80);
            listViewCombo.Columns.Add("Date begin", 140);
            listViewCombo.Columns.Add("Date end", 140);
            listViewCombo.Columns.Add("Total", 70);
            listViewCombo.Columns.Add("Discount");

            ListViewItem lvitem;

            foreach (DataRow row in dataTable.Rows)
            {
                lvitem          = new ListViewItem();
                lvitem.ImageKey = row.Field <int>("Id").ToString();
                lvitem.SubItems.Add(row.Field <string>("ComboName"));
                lvitem.SubItems.Add(row.Field <DateTime>("DayStart").ToString());
                lvitem.SubItems.Add(row.Field <DateTime>("DayEnd").ToString());
                lvitem.SubItems.Add(row.Field <int>("Total").ToString("0,0"));
                lvitem.SubItems.Add(int.Parse(row.Field <string>("DiscountMoney")).ToString("0,0"));
                listViewCombo.Items.Add(lvitem);
            }
        }