public exam SearchExam(int eid)
{
try
{
exam e1 = dc.exams.Single(ee1 => ee1.examid == eid);
return(e1);
}
catch (Exception e)
{
return(null);
}
}
public string DeleteExam(int eid)
{
try
{
exam e1 = dc.exams.Single(ee1 => ee1.examid == eid);
dc.SubmitChanges();
return("Delete");
}
catch (Exception e)
{
return(e.Message);
}
}
public string InsertExam(exam ee)
{
try
{
dc.exams.InsertOnSubmit(ee);
dc.SubmitChanges();
return("Inserted");
}
catch (Exception e)
{
return(e.Message);
}
}
public string UpdateExam(exam ee)
{
try
{
exam e1 = dc.exams.Single(ee1 => ee1.examid == ee.examid);
e1.rno = ee.rno;
e1.sem = ee.sem;
e1.examid = ee.examid;
e1.per = ee.per;
dc.SubmitChanges();
return("Updated");
}
catch (Exception e)
{
return(e.Message);
}
}
partial void Deleteexam(exam instance);
partial void Updateexam(exam instance);
partial void Insertexam(exam instance);