if (!string.IsNullOrEmpty(StartTime) && (!string.IsNullOrEmpty(EndTime)))
            {
                DateTime Start = Convert.ToDateTime(StartTime);
                DateTime End = Convert.ToDateTime(EndTime);

                dbjjx = dbjjx.Where(m => m.date >= Start && m.date <= End).ToList();
            }


 var start = $("#StartTime").val();
            if (start == undefined) {
                start = null;
            }
            var end = $("#EndTime").val();
            if (end == undefined) {
                end = null;
            }
            tabOne.search("&StartTime=" + start + "&EndTime=" + end);