protected override ActionResult DoTask(string data)
            {
                int pageNo = Convert.ToInt32(Request.QueryString["PageN"]);
                string linkStrIds = Request.QueryString["linkid"];
                int[] linkIds = StringUtility.SplitStringToIntArray(linkStrIds, ",");
                if (linkIds == null || linkIds.Length == 0)
                    linkIds = new int[] { -1 };
                string quesStrIds = Request.QueryString["quesid"];
                int[] quesIds = StringUtility.SplitStringToIntArray(quesStrIds, ",");
                if (quesIds == null || quesIds.Length == 0)
                    quesIds = new int[] { -1 };

                QuestionCollection collection = new QuestionCollection();
                collection.DeleteByQuestionIds(quesIds);
                collection.DeleteByLinkIds(linkIds);

                string condition = PageQuestionTaskUtility.CurrentExpVal();
                if (pageNo == 0)
                {
                    collection.PageSize = 0;
                    collection.IsReturnDataTable = true;
                    collection.FillByCondition(condition);
                }
                else
                {
                    collection.PageSize = 8;
                    collection.FillByCondition(condition);
                    if (pageNo > collection.PageCount)
                        pageNo = collection.PageCount;
                    collection.AbsolutePage = pageNo;
                    collection.IsReturnDataTable = true;
                    collection.FillByCondition(condition);
                }
                ActionResult result = new ActionResult();
                StringBuilder response = new StringBuilder();
                response.Append(ActionTaskUtility.ReturnClientDataArray(collection.GetFillDataTable()));
                response.Append(string.Format("TmpStr={0};", collection.PageCount));
                result.IsSuccess = true;
                result.ResponseData = response.ToString();
                return result;
            }
            protected override ActionResult DoTask(string data)
            {
                int pageNo = Convert.ToInt32(Request.QueryString["pagenum"]);
                int linkId = Convert.ToInt32(Request.QueryString["subid"]);
                string delStrIds = Request.QueryString["ids"];

                string[] delStrIdCol = delStrIds.Split(',');
                List<int> delIds = new List<int>();
                foreach (string delStrId in delStrIdCol)
                {
                    string tmpDelIdStr = (delStrId ?? string.Empty).Trim();
                    if (string.IsNullOrEmpty(tmpDelIdStr))
                        continue;
                    else
                    {
                        int tmpDelId = 0;
                        if (int.TryParse(tmpDelIdStr, out tmpDelId))
                            delIds.Add(tmpDelId);
                        else
                            continue;
                    }
                }

                QuestionCollection collection = new QuestionCollection();
                collection.DeleteByQuestionIds(delIds.ToArray());

                collection.PageSize = 4;
                collection.FillByLinkId(linkId);
                if (pageNo > collection.PageCount)
                    pageNo = collection.PageCount;
                collection.AbsolutePage = pageNo;
                collection.IsReturnDataTable = true;
                collection.FillByLinkId(linkId);

                ActionResult result = new ActionResult();
                StringBuilder response = new StringBuilder();
                response.Append(ActionTaskUtility.ReturnClientDataArray(collection.GetFillDataTable()));
                response.Append(string.Format("TmpStr={0};", collection.PageCount));
                result.IsSuccess = true;
                result.ResponseData = response.ToString();
                return result;
            }