public ActionResult AddNews(Post model)
{
if (!ModelState.IsValid) {
return View();
}
if (model.Id == 0) {
try {
model.CreateDate = DateTime.Now;
model.Poster = "Admin";
context.Post.Add(model);
context.SaveChanges();
}
catch (Exception ex) {
ModelState.AddModelError("DbError", ex.Message);
return View();
}
}
else {
var old = context.Post.SingleOrDefault(t => t.Id == model.Id);
old.Title = model.Title;
old.Content = model.Content;
old.UpdateDate = DateTime.Now;
context.SaveChanges();
}
TempData[StaticDefination.TmpSuccessMsg] = "操作成功！";
return RedirectToAction("News");
}
public ActionResult AddNews(int? id)
{
var m = new Post();
if (id.HasValue) {
var old = context.Post.SingleOrDefault(t => t.Id == id.Value);
m = old ?? m;
}
return View(m);
}
