我需要在一个视图中使用2个模型的上下文的帮助。我需要使用ZanrID
中的Ime
和ZanrModel.cs
这里是ZanrModel.cs
代码:
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Web;
namespace WebApplication1.Models
{
[Table("Zanr")]
public class ZanrModel
{
[Key]
public int ZanrID { get; set; }
public string Ime { get; set; }
}
}
我想在此视图中使用ZanrdID
使用Ime
和KnjigaModel.cs
@model IEnumerable<WebApplication1.Models.KnjigaModel>
@{
ViewBag.Title = "Index";
Layout = "~/Views/Shared/_Layout.cshtml";
}
<h2>Index</h2>
<a href="/Knjiga/Create" class="btn btn-warning">Dodaj novu knjigu</a>
<table class="table">
<tr>
<th>
@Html.DisplayNameFor(model => model.InventarniBroj)
</th>
<th>
@Html.DisplayNameFor(model => model.Pisac)
</th>
<th>
@Html.DisplayNameFor(model => model.Naslov)
</th>
<th>
@Html.DisplayNameFor(model => model.GodinaIzdavanja)
</th>
<th>
@Html.DisplayNameFor(model => model.MestoIzdavanja)
</th>
<th>
</th>
<th>
</th>
<th>
</th>
</tr>
@foreach (var item in Model)
{
<tr>
<td>
@Html.DisplayFor(modelItem => item.InventarniBroj)
</td>
<td>
@Html.DisplayFor(modelItem => item.Pisac)
</td>
<td>
@Html.DisplayFor(modelItem => item.Naslov)
</td>
<td>
@Html.DisplayFor(modelItem => item.GodinaIzdavanja)
</td>
<td>
@Html.DisplayFor(modelItem => item.MestoIzdavanja)
</td>
<td>
<a href="/Knjiga/Izmeni/@item.KnjigaId" class="btn btn-warning">Edit</a>
</td>
<td>
<a href="/Knjiga/Details/@item.KnjigaId" class="btn btn-primary">Details</a>
</td>
<td>
<a href="/Knjiga/Delete/@item.KnjigaId" class="btn btn-danger">Delete</a>
</td>
</tr>
}
</table>
是,我想在dropdown menu
中创建Knjiga/Create.cshtml
,用户可以在其中选择什么Zanr
他们想使用它。我有Knjiga
和Zanr
的数据库,这是它的图片:
提前感谢!
我相信最好的方法是创建一个ViewModel对象以包含两个组合的Model对象。
将模型直接放在视图上不是一个好习惯。
//New class outside the view.
Public class KnjigaZanrVM
{
IEnumerable<KnjigaModel> Knjiga {get}
IEnumerable<ZanrModel> Zanr {get}
}
//on the View
@model WebApplication1.ViewModel.KnjigaZanrVM
@{
ViewBag.Title = "Index";
Layout = "~/Views/Shared/_Layout.cshtml";
}
...
@foreach (var item in Model.Knjiga)
{
<tr>
<td>
@Html.DisplayFor(modelItem => item.InventarniBroj)
</td>
<td>
...
foreach (var item in Model.Zanr)
{
<tr>
<td>
@Html.DisplayFor(modelItem => item.ZanrID)
</td>
<td>
...
查看此链接:
https://www.c-sharpcorner.com/article/managing-data-with-viewmodel-in-asp-net-mvc/
https://www.aspsnippets.com/Articles/Pass-Send-Object-from-View-to-Controller-in-ASPNet-MVC.aspx