public ActionResult Edit(int id = 0)
        {
            Student student;

            if (id != 0)
            {
                student = _studentBLL.Get(id);
            }
            else
            {
                student = new Student();
            }

            List <EducationBranch> allEducationBranch        = _studentBLL.EducationList();
            SelectList             educationBranchSelectList = new SelectList(allEducationBranch, "Id", "Name");

            List <Gender> allGender        = _studentBLL.GenderList();
            SelectList    genderSelectList = new SelectList(allGender, "Id", "Name");

            ViewBag.EducationBranchs = educationBranchSelectList;
            ViewBag.Genders          = genderSelectList;

            return(View(student));
        }