public ActionResult ChangePointComment(int problemId, string point, int commentId)
{
switch (point)
{
case "+":
_commentRepo.ChangePoint(commentId, 1);
break;
case "-":
_commentRepo.ChangePoint(commentId, 0);
break;
default:
return(RedirectToAction("Detail", new { id = problemId }));
}
return(RedirectToAction("Detail", new { id = problemId }));
}