public ActionResult StudentReport(int StudentID, int SemesterID)
{
StudentBusiness StuBO = new StudentBusiness();
SemesterBusiness SemBO = new SemesterBusiness();
var stu = StuBO.GetStudentByID(StudentID);
var sem = SemBO.GetSemesterByID(SemesterID);
String FileName = stu.StudentCode + "_" + sem.SemesterName + ".xlsx";
String FilePath = Server.MapPath("~/Content/Temp/" + FileName);
StuBO.CreateStudentReport(StudentID, SemesterID, FilePath);
return(File(FilePath, ExcelMimeType, FileName));
}