监考老师查询修改

Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EducationalAdministration/Exam_InvigilateTeacher/Exam_InvigilateTeacherService.cs

@@ -78,8 +78,8 @@ select EPId from Exam_ExamPlanLesson where EPLId='{queryParam["EPLId"].ToString(
                         empSql += $"  and EPRId<>'{queryParam["EPRId"].ToString()}'";
                     }
 
-                    var obj = this.BaseRepository("CollegeMIS").FindList<Exam_ExamPlanRoomEntity>(empSql).Select(x=>x.EmpNo).Distinct().ToList();
-                    if (obj != null)
+                    var obj = this.BaseRepository("CollegeMIS").FindList<Exam_ExamPlanRoomEntity>(empSql).Select(x => x.EmpNo).Distinct().ToList();
+                    if (obj != null && obj.Count > 0)
                     {
                         var empNo = string.Join("','", obj[0].ToString().Split(',').Distinct());
                         strSql.Append($" AND t.EmpNo not in ('{empNo}')");