DotNetBar grid筛选 按时间筛选

PatientDiaryPanel.Columns["RECORDDATE"].FilterExpr = string.Format("date(RECORDDATE) >=#{0}# AND date(RECORDDATE)<=#{1}#", dtiDateFrom.Value, dtiDateTo.Value);
PatientDiaryPanel.Columns["RECORDDATE"].FilterEditType = FilterEditType.DateTime;