我不知道是否它的方式是措辞我的问题,但我想要的是一种方式,当用户在下拉菜单中选择一个选项,然后按下提交下拉的值被选中不在那里展示。我曾尝试以下:选择后删除DropDownList值
<div class="editor-field">
@Html.DropDownList("GameIDFK", String.Empty)
@Html.ValidationMessageFor(model => ViewBag.GameIDFK)
</div>
[HttpPost]
public ActionResult Create(tblReview tblreview, FormCollection formCollection)
{
if (ModelState.IsValid)
{
db.tblReviews.Add(tblreview);
db.SaveChanges();
// return RedirectToAction("Index");
}
int gameid=Convert.ToInt32(formCollection["GameIDFK"]);
var userGames = (from g in db.tblGames where g.UserName== User.Identity.Name && g.GameID!=gameid select g).ToList();
ViewBag.GameIDFK = new SelectList(userGames, "GameID", "GameName");
return View(new tblReview { UserName = @User.Identity.Name });
}
这只是删除一个值,而另一个选择当透水一个回来,还当我刷新页面的所有值返回。
我也曾尝试以下操作:
<script type="text/javascript">
$(function() {
$('#GameIDFK').change(function() {
$('option:selected', this).remove();
});
});
</script>
这样做是当我点击它完全以vanishs值,当我刷新值回来。
我正在使用MVC3 C#,想要一种方式,当用户选择一个游戏例如GTAIV并按下提交值从下拉GTAIV即使当我refreash,或注销并再次登录我希望下拉菜单中的值从下拉菜单中消失,但我不想将其从数据库中删除,只需要按下提交按钮后下拉菜单中的选定值即可。
我的控制器:
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.Entity;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using Game.Models;
namespace Game.Controllers
{
public class ReviewController : Controller
{
private gamezoneDBEntities db = new gamezoneDBEntities();
//
// GET: /Review/
public ViewResult Index()
{
var Info = db.tblReviews.Include(x => x.tblGame).Where(UserInfo => UserInfo.UserName.Equals(User.Identity.Name)).ToList();
return View(Info);
}
//
// GET: /Review/Details/5
public ViewResult Details(int id)
{
tblReview tblreview = db.tblReviews.Find(id);
return View(tblreview);
}
//
// GET: /Review/Create
public ActionResult Create()
{
var userGames = db.tblGames.Where(g => g.UserName == User.Identity.Name);
ViewBag.GameIDFK = new SelectList(userGames, "GameID", "GameName");
return View(new tblReview { UserName = @User.Identity.Name });
}
//
// POST: /Review/Create
[HttpPost]
public ActionResult Create(tblReview tblreview)
{
if (ModelState.IsValid)
{
db.tblReviews.Add(tblreview);
db.SaveChanges();
return RedirectToAction("Index");
}
var userGames = db.tblGames.Where(g => g.UserName == User.Identity.Name);
ViewBag.GameIDFK = new SelectList(userGames, "GameID", "GameName");
return View(new tblReview { UserName = @User.Identity.Name });
}
//
// GET: /Review/Edit/5
public ActionResult Edit(int id)
{
tblReview tblreview = db.tblReviews.Find(id);
ViewBag.GameIDFK = new SelectList(db.tblGames, "GameID", "GameName", tblreview.GameIDFK);
return View(tblreview);
}
//
// POST: /Review/Edit/5
[HttpPost]
public ActionResult Edit(tblReview tblreview)
{
if (ModelState.IsValid)
{
db.Entry(tblreview).State = EntityState.Modified;
db.SaveChanges();
return RedirectToAction("Index");
}
ViewBag.GameIDFK = new SelectList(db.tblGames, "GameID", "GameName", tblreview.GameIDFK);
return View(tblreview);
}
//
// GET: /Review/Delete/5
public ActionResult Delete(int id)
{
tblReview tblreview = db.tblReviews.Find(id);
return View(tblreview);
}
//
// POST: /Review/Delete/5
[HttpPost, ActionName("Delete")]
public ActionResult DeleteConfirmed(int id)
{
tblReview tblreview = db.tblReviews.Find(id);
db.tblReviews.Remove(tblreview);
db.SaveChanges();
return RedirectToAction("Index");
}
protected override void Dispose(bool disposing)
{
db.Dispose();
base.Dispose(disposing);
}
}
}
我的模型:
namespace Game.Models
{
using System;
using System.Collections.Generic;
public partial class tblReview
{
public int ReviewID { get; set; }
public string Recomendation { get; set; }
public string AvoidOrBuy { get; set; }
public string Score { get; set; }
public int GameIDFK { get; set; }
public string UserName { get; set; }
public virtual tblGame tblGame { get; set; }
}
}
笔者认为:
@model Game.tblReview
@{
ViewBag.Title = "Create";
}
<h2>Create</h2>
<script src="@Url.Content("~/Scripts/jquery.validate.min.js")" type="text/javascript"></script>
<script src="@Url.Content("~/Scripts/jquery.validate.unobtrusive.min.js")" type="text/javascript"></script>
@using (Html.BeginForm()) {
@Html.ValidationSummary(true)
<fieldset>
<legend>tblReview</legend>
<div class="editor-label">
@Html.LabelFor(model => model.ReviewID)
</div>
<div class="editor-field">
@Html.EditorFor(model => model.ReviewID)
@Html.ValidationMessageFor(model => model.ReviewID)
</div>
<div class="editor-label">
@Html.LabelFor(model => model.Recomendation)
</div>
<div class="editor-field">
@Html.EditorFor(model => model.Recomendation)
@Html.ValidationMessageFor(model => model.Recomendation)
</div>
<div class="editor-label">
@Html.LabelFor(model => model.AvoidOrBuy)
</div>
<div class="editor-field">
@Html.EditorFor(model => model.AvoidOrBuy)
@Html.ValidationMessageFor(model => model.AvoidOrBuy)
</div>
<div class="editor-label">
@Html.LabelFor(model => model.Score)
</div>
<div class="editor-field">
@Html.EditorFor(model => model.Score)
@Html.ValidationMessageFor(model => model.Score)
</div>
<div class="editor-label">
@Html.LabelFor(model => model.GameIDFK, "tblGame")
</div>
<div class="editor-field">
@Html.DropDownList("GameIDFK", String.Empty)
@Html.ValidationMessageFor(model => model.GameIDFK)
</div>
<div class="editor-label">
@Html.LabelFor(model => model.UserName)
</div>
<div class="editor-field">
@Html.EditorFor(model => model.UserName)
@Html.ValidationMessageFor(model => model.UserName)
</div>
<p>
<input type="submit" value="Create" />
</p>
</fieldset>
}
<div>
@Html.ActionLink("Back to List", "Index")
</div>
我一直在这几个星期的都没有结果,请帮我谢谢
这已无关,与我要求的一切我想要的是一种方式,其中一次提交按钮来选择要清除在下拉值。就这些。我不希望一旦我放弃或曾经参与过这个页面,这个价值就会消失。我只想要一旦选定的值,并按下输入按钮 – user1137472 2012-04-07 18:25:04
好吧,那么你必须从下拉回发选定的值,当你创建ViewBag.GameIDFK使用何处从列表中排除此值。您可以通过隐藏输入文本和操作方法中的另一个参数来实现此目的。 – 2012-04-07 18:33:07
可以请你提供一些代码谢谢因为我提供了一些尝试,如果你知道如何做到这一点,那么我会很感激,如果你能告诉我谢谢 – user1137472 2012-04-07 18:36:46