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[HttpGet]
public ActionResult Update(int id)
{
Models.cardinfo card = (from a in db.cardinfo where a.c_id == id select a).ToList()[0];
var list = db.cardtype.ToList();
ViewData["cardtype"] = new SelectList(list, "ca_id", "ca_name", card.ca_id);
return View(card);
}
@using (Html.BeginForm("Update", "Blog", FormMethod.Post))
{
.........
<tr>
<td>分类:</td>
<td>@Html.DropDownListFor(a => a.ca_id, (SelectList)ViewData["cardtype"], "---------")</td>
</tr>
......
