我正试图从数据库中删除一个条目。这是我的控制器方法:
public ActionResult Delete(Models.CommentEntry entry)
{
_db.Entries.Remove(entry);
_db.SaveChanges();
return RedirectToAction("Index");
}
这是我的.cshtml:
@foreach (var entry in ViewBag.Entries)
{
<section class="contact">
<header>
<h3>@entry.Message</h3>
</header>
<p>
Posted by @entry.Name on @entry.DateAdded.ToLongDateString()
</p>
</section>
<form method="post" action="Delete">
<input type="submit" value="Delete" class="btn btn-danger" />
</form>
}
正如您所看到的,对象不会被传递,并且总是有初始值,因此我得到了一个转储。我的错在哪里?
谢谢.
这个问题没有错
<section class="contact">
<header>
<h3>@entry.Message</h3>
</header>
<p>
Posted by @entry.Name on @entry.DateAdded.ToLongDateString()
</p>
<form method="post" action="Delete"><!-- must have name and value input for form tag -->
</section>
<input type="submit" value="Delete" class="btn btn-danger" />
</form>
请阅读https://www.w3schools.com/tags/tag_form.asp