repo-student-controller.cs

public class StudentController : Controller
{
	private StudentRepository _studentRepo = new StudentRepository();
	
	public ActionResult Index()
	{
	    var students = _studentRepo.SelectAll().ToList();
	
	    return View(students);
	}
	
	[HttpPost]
	public ActionResult Insert(Student student)
	{
	    if (!ModelState.IsValid)
	    {
	        // todo
	    }
	
	    try
	    {
	        _studentRepo.Insert(student);
	        _studentRepo.Save();
	    }
	    catch (Exception)
	    {
	        // todo                
	    }
	
	    return RedirectToAction("Index");
	}
	
	[HttpPost]
	public ActionResult Update(Student student)
	{
	    if (!ModelState.IsValid)
	    {
	        // todo
	    }
	
	    try
	    {
	        _studentRepo.Update(student);
	        _studentRepo.Save();
	    }
	    catch (Exception)
	    {
	        // todo
	    }
	
	    return RedirectToAction("Index");
	}
	
	public ActionResult Delete(int? id)
	{
	    if (!ModelState.IsValid)
	    {
	        // todo
	    }
	
	    try
	    {
	        _studentRepo.Delete(id);
	        _studentRepo.Save();
	    }
	    catch (Exception)
	    {
	        // todo
	    }
	
	    return RedirectToAction("Index");
	}
}