private string getTest3(string subid)
{
int countTest1 = 0;
List <Mark> listMark = SubjectDAO.getListMarks(subid);
foreach (var i in listMark)
{
if (i.Test3 >= 5)
{
countTest1++;
}
}
float percent = 0;
try {
percent = countTest1 * 100 / count;
}
catch (Exception ex) {
}
return(percent + "%");
}