public ActionResult AddComment(string commentText, string contentID) { if (Session["username"] == null) { return(RedirectToAction("SessionExpired")); } var cID = ""; int i = 0; while (contentID[i] >= 48 && contentID[i] <= 57) { cID += contentID[i]; i++; } ViewData["ContentID"] = cID; if (commentText == "" || commentText == null) { return(PartialView("_Comment", CRUD.GetCommentsOfAPost(Convert.ToInt32(cID)))); } CRUD.AddComment(Convert.ToInt32(cID), Session["username"].ToString(), commentText); return(PartialView("_Comment", CRUD.GetCommentsOfAPost(Convert.ToInt32(cID)))); }