strSql.Append(@"select b.*,c.StuNo,c.StuName,c.Status,cp.Status as StatusPre from ElectiveMajor a left join OpenLessonPlanOfElective b on a.OLPOEId=b.Id
left join StuSelectLessonListOfElective c on b.Id=c.OLPEId and c.StuNo=@StuNo
left join StuSelectLessonListOfElectivePre cp on b.Id=cp.OLPEId and cp.StuNo=@StuNo
where 1=1 ");
where 1=1 and a.MajorId is not null and a.Grade is not null ");
var EADateArrangeEntityAboutElective = this.BaseRepository("CollegeMIS").FindEntity<EADateArrangeEntity>(x => x.WorkName == "选课" && x.MakeDate <= now && x.EndDate >= now && x.CheckMark == "1");
if (EADateArrangeEntityAboutElective != null)
{
strSql.Append(" AND b.AcademicYearNo='" + EADateArrangeEntityAboutElective?.AcademicYearNo + "' and b.Semester='" + EADateArrangeEntityAboutElective?.Semester + "'");
strSql.Append(" and b.LessonName not in(select LessonName from StuSelectLessonListOfElective where AcademicYearNo='" + EADateArrangeEntityAboutElective?.AcademicYearNo + "' and Semester='" + EADateArrangeEntityAboutElective?.Semester + "' and StuNo='"+ queryParam["StuNo"].ToString() + "' and Status<>3)");
strSql.Append(" and b.LessonName not in(select LessonName from StuSelectLessonListOfElective where AcademicYearNo='" + EADateArrangeEntityAboutElective?.AcademicYearNo + "' and Semester='" + EADateArrangeEntityAboutElective?.Semester + "' and StuNo='"+ queryParam["StuNo"].ToString() + "' and Status<>3)");
strSql2.Append("select e.Id,e.OLPOEId,e.MajorId,e.Grade,m.MajorNo,m.MajorName from ElectiveMajor e left join CdMajor m on e.MajorId=m.ID where e.OLPOEId='" + item.Id + "' and e.MajorId is not null and e.Grade is not null ");