public string SaveASubjectGrade(StudentResult aStudentResult)
{
aResultGateway = new ResultGateway();
if (DoesThisSubjectExist(aStudentResult))
if (DoesThisSubjectResultExist(aStudentResult))
{
if (aStudentResult.GradeLetter == "F")
aStudentResult.Status = 1;
else
aStudentResult.Status = 0;
return aResultGateway.SaveASubjectGrade(aStudentResult);
}
else
return "You already completed this subject";
else
return "You Does not Get this Subject";
}
private bool DoesThisSubjectResultExist(StudentResult aStudentResult)
{
List<StudentResult> studentResults = new List<StudentResult>();
aResultGateway = new ResultGateway();
studentResults = aResultGateway.GetSubjectResult(aStudentResult);
if (studentResults.Count == 0)
return true;
foreach (StudentResult studentResult in studentResults)
{
if (studentResult.CourseId == aStudentResult.CourseId && studentResult.Status == 1)
{
aResultGateway = new ResultGateway();
if (aResultGateway.DeletePreviousReselt(aStudentResult))
return true;
}
}
return false;
}
public List<ViewCourseGradeAndCredit> GetCourseResult(string regNo)
{
aResultGateway = new ResultGateway();
return aResultGateway.GetCourseResult(regNo);
}