public string GetGrade(Student student)
{
if (student == null || Assignments == null || GradingScheme == null ||
GradingScheme.Grades == null || GradingScheme.Grades.Count == 0)
{
return(null);
}
double percentage = GetPercentage(student);
if (percentage < 0 || percentage > 1)
{
return(null);
}
return(GradingScheme.GetGrade(percentage));
}
public string GetGrade(Student student)
{
if (student == null)
{
return(null);
}
double score = GetScore(student);
double maxScore = GetMaxScore();
GradingScheme scheme = Course.GradingScheme;
if (maxScore <= 0 || scheme == null || scheme.Grades == null || scheme.Grades.Count == 0)
{
return(null);
}
double percentage = score / maxScore;
if (percentage < 0 || percentage > 1)
{
return(null);
}
return(scheme.GetGrade(percentage));
}
