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ASP.NET 모델 뷰 컨트롤러에서 프로젝트에 문제가 있습니다.ASP.NET MVC에서 DB를 편집 할 때 값이 null입니다.
나는 "방명록"응용 프로그램을 가지고 있습니다. 손님을 성공적으로 만들 수 있지만 편집 할 수는 없습니다.
봐 : 1. 내가 시작 응용 프로그램 - 나는 게스트를 만드는 모든 확인
2 - 모든 확인 (고객이 입력 한 모든 데이터가)
3. 나는 "편집"클릭 - 모든 확인
4. 나는 새로운 창문을 본다. 화면의 모든 필드는 정확한 데이터를 가지고 있지만 편집 기능에 중단 점이 있으며 모든 변수가 null 인 것을 볼 수 있습니다.
모델 :
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data.Entity;
using System.ComponentModel.DataAnnotations;
namespace Guestbook.Models
{
public class Guest
{
public int ID { get; set; }
[Display(Name = "name", ResourceType=typeof(Resources.Resources))]
[Required(ErrorMessageResourceType = typeof(Resources.Resources),
ErrorMessageResourceName = "nameRequired")]
[StringLength(50, ErrorMessageResourceType = typeof(Resources.Resources),
ErrorMessageResourceName = "nameLong")]
public string name { get; set; }
[Display(Name = "surname", ResourceType = typeof(Resources.Resources))]
[Required(ErrorMessageResourceType = typeof(Resources.Resources),
ErrorMessageResourceName = "surnameRequired")]
[StringLength(50, ErrorMessageResourceType = typeof(Resources.Resources),
ErrorMessageResourceName = "surnameLong")]
public string surname { get; set; }
[Display(Name = "firm", ResourceType = typeof(Resources.Resources))]
[Required(ErrorMessageResourceType = typeof(Resources.Resources),
ErrorMessageResourceName = "firmRequired")]
[StringLength(50, ErrorMessageResourceType = typeof(Resources.Resources),
ErrorMessageResourceName = "firmLong")]
public string firm { get; set; }
[Display(Name = "toWhom", ResourceType = typeof(Resources.Resources))]
[Required(ErrorMessageResourceType = typeof(Resources.Resources),
ErrorMessageResourceName = "toWhomRequired")]
[StringLength(50, ErrorMessageResourceType = typeof(Resources.Resources),
ErrorMessageResourceName = "toWhomLong")]
public string toWhom { get; set; }
[Display(Name = "permitNumber", ResourceType = typeof(Resources.Resources))]
[Required(ErrorMessageResourceType = typeof(Resources.Resources),
ErrorMessageResourceName = "permitRequired")]
[Range(0, 10000, ErrorMessageResourceType = typeof(Resources.Resources),
ErrorMessageResourceName = "permitRange")]
public int permitNumber { get; set; }
[Display(Name = "magazine", ResourceType = typeof(Resources.Resources))]
[Required(ErrorMessageResourceType = typeof(Resources.Resources),
ErrorMessageResourceName = "magazineRequired")]
public bool magazine { get; set; }
[Display(Name = "entranceTime", ResourceType = typeof(Resources.Resources))]
[DataType(DataType.Date)]
public DateTime? entranceTime { get; set; }
[Display(Name = "entranceTimeTime", ResourceType = typeof(Resources.Resources))]
public string entranceTimeTime { get; set; }
[Display(Name = "exitDate", ResourceType = typeof(Resources.Resources))]
[DataType(DataType.Date)]
public DateTime? exitDate { get; set; }
[Display(Name = "exitTime", ResourceType = typeof(Resources.Resources))]
public string exitTime { get; set; }
}
public class GuestDBContext : DbContext
{
public DbSet<Guest> Guests { get; set; }
}
}
컨트롤러 :
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.Entity;
using System.Linq;
using System.Net;
using System.Web;
using System.Web.Mvc;
using Guestbook.Models;
namespace Guestbook.Controllers
{
public class GuestsController : BaseController
{
private GuestDBContext db = new GuestDBContext();
// GET: Guests
public ActionResult Index()
{
//Sortowanie po nazwisku.
var guests = from s in db.Guests select s;
guests = guests.OrderBy(s => s.surname);
return View(guests.ToList());
}
// GET: Guests/Details/5
public ActionResult Details(int? id)
{
if (id == null)
{
return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
}
Guest guest = db.Guests.Find(id);
if (guest == null)
{
return HttpNotFound();
}
return View(guest);
}
// GET: Guests/Create
public ActionResult Create()
{
return View();
}
// POST: Guests/Create
// To protect from overposting attacks, please enable the specific properties you want to bind to, for
// more details see http://go.microsoft.com/fwlink/?LinkId=317598.
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Create([Bind(Include = "ID,name,surname,firm,toWhom,permitNumber,magazine,entranceTime,entranceTimeTime,exitDate,exitTime")] Guest guest)
{
guest.entranceTime = DateTime.Today;
guest.exitDate = DateTime.Today;
DateTime dt = DateTime.Now;
string format = "HH:mm:ss";
guest.entranceTimeTime = dt.ToString(format);
guest.exitTime = dt.ToString(format);
if (ModelState.IsValid)
{
db.Guests.Add(guest);
db.SaveChanges();
return RedirectToAction("Index");
}
return View(guest);
}
// GET: Guests/Edit/5
public ActionResult Edit(int? id)
{
if (id == null)
{
return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
}
Guest guest = db.Guests.Find(id);
if (guest == null)
{
return HttpNotFound();
}
return View(guest);
}
// POST: Guests/Edit/5
// To protect from overposting attacks, please enable the specific properties you want to bind to, for
// more details see http://go.microsoft.com/fwlink/?LinkId=317598.
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Edit([Bind(Include = "exitDate,exitTime")] Guest g)
{
g.exitDate = DateTime.Today;
DateTime dt = DateTime.Now;
string format = "HH:mm:ss";
g.exitTime = dt.ToString(format);
if (ModelState.IsValid)
{
db.Entry(g).State = EntityState.Modified;
db.Entry(g).Property(gg => gg.name).IsModified = false;
db.Entry(g).Property(gg => gg.surname).IsModified = false;
db.Entry(g).Property(gg => gg.firm).IsModified = false;
db.Entry(g).Property(gg => gg.permitNumber).IsModified = false;
db.Entry(g).Property(gg => gg.magazine).IsModified = false;
db.Entry(g).Property(gg => gg.toWhom).IsModified = false;
db.Entry(g).Property(gg => gg.entranceTime).IsModified = false;
db.Entry(g).Property(gg => gg.entranceTimeTime).IsModified = false;
db.SaveChanges();
return RedirectToAction("Index");
}
return View(g);
}
// GET: Guests/Delete/5
public ActionResult Delete(int? id)
{
if (id == null)
{
return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
}
Guest guest = db.Guests.Find(id);
if (guest == null)
{
return HttpNotFound();
}
return View(guest);
}
// POST: Guests/Delete/5
[HttpPost, ActionName("Delete")]
[ValidateAntiForgeryToken]
public ActionResult DeleteConfirmed(int id)
{
Guest guest = db.Guests.Find(id);
db.Guests.Remove(guest);
db.SaveChanges();
return RedirectToAction("Index");
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
db.Dispose();
}
base.Dispose(disposing);
}
}
}
보기 :
@model Guestbook.Models.Guest
@{
ViewBag.Title = @Resources.exitGuest;
}
<h2>@Resources.exitGuest</h2>
@using (Html.BeginForm())
{
@Html.AntiForgeryToken()
<div class="form-horizontal">
<hr />
@Html.ValidationSummary(true, "", new { @class = "text-danger" })
@Html.HiddenFor(model => model.ID)
<div class="form-group">
@Html.LabelFor(model => model.name, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.DisplayFor(model => model.name, new { htmlAttributes = new { @class = "form-control" } })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.surname, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.DisplayFor(model => model.surname, new { htmlAttributes = new { @class = "form-control" } })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.firm, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.DisplayFor(model => model.firm, new { htmlAttributes = new { @class = "form-control" } })
</div>
</div>
<br />
<div class="form-group">
<div class="col-md-10">
<b>@Resources.leftOk</b>
</div>
</div>
<div class="form-group">
<div class="col-md-offset-2 col-md-10">
<input type="submit" [email protected] class="btn btn-default" />
<input type="button" [email protected] onclick="location.href='@Url.Action("","guests")'" class="btn btn-default" />
</div>
</div>
</div>
}
@section Scripts {
@Scripts.Render("~/bundles/jqueryval")
}
첫 번째로 숨겨진 입력을 제외한 모든 컨트롤을 만들지 않았으므로 다시 게시 할 수 있습니다. 둘째로'[Bind (Include = "exitDate, exitTime")]'를 지정하면, 다시 게시 한 ID도 무시되므로 물론 각 속성은 'null'이거나 기본값입니다. –
편집 기능이 시작될 때 @DavidG -'exitDate'와'exitTime'는 null입니다. @StephenMuecke 광고 1. 모든 변수에 대해'@ Html.HiddenFor()'를 써야합니까? 광고 2. 모든 변수와 변수를 포함 시키려고했습니다. 작동하지 않습니다. – Zashi
숨겨진 입력 (텍스트 상자 또는 속성을 편집하기위한 다른 컨트롤이 필요하므로 편집 양식) 만 추가하는 것은 그리 중요하지 않습니다. 그냥 [Bind (Include -...)] 비트를 잊어 버리십시오. 모든 속성은 기본적으로 바인딩됩니다 (다시 게시하는 한!). 사용하는 경우보기 모델을 사용해야합니다. –