private void CopySelected_Button_Click(object sender, EventArgs e)
        {
            var selected = MainDataFilter.Where(o => o.IsSelected == true).ToList();

            if (selected.Count <= 0)
            {
                selected = new List <AccountDetail>(MainDataFilter);
            }

            if (selected?.Count > 0)
            {
                foreach (var item in selected)
                {
                    var find = AccountDetailData.Find(o => o.AccountID == item.AccountID && o.AccountDetailID == item.AccountDetailID);
                    // TH chưa có trong danh sách
                    if (find == null)
                    {
                        // Thêm vào danh sách
                        AccountDetailData.Add(new AccountDetail
                        {
                            CompanyID         = UserInfo.CompanyID,
                            AccountID         = item.AccountID,
                            AccountDetailID   = item.AccountDetailID,
                            AccountDetailName = item.AccountDetailName,
                            Status            = ModifyMode.Insert
                        });
                    }
                }

                AccountDetail_GridView.RefreshData();
            }
        }
 private void Delete_Button_Click(object sender, EventArgs e)
 {
     AccountDetailData.Remove(o => o.IsSelected == true);
     AccountDetail_GridView.RefreshData();
 }