Asp.net mvc 4 要从数据库查看的MVC4 ViewModel-示例
不断地为一个简单的问题绞尽脑汁。有人能给我写一个完整的代码吗 2款:Asp.net mvc 4 要从数据库查看的MVC4 ViewModel-示例,asp.net-mvc-4,model-view,Asp.net Mvc 4,Model View,不断地为一个简单的问题绞尽脑汁。有人能给我写一个完整的代码吗 2款: public class State { public int StateID { get; set; } public string Name { get; set; } } public class City { public int CityID { get; set; } public stri
public class State
{
public int StateID { get; set; }
public string Name { get; set; }
}
public class City
{
public int CityID { get; set; }
public string Name { get; set; }
public int StateID { get; set; }
[ForeignKey("StateID")]
public State State { get; set; }
public IEnumerable<SelectListItem> StateList { get; set; }
}
控制器
public ActionResult Index()
{
var model = new List<CityIndexViewModel>();
var dbCity = db.City.Include("State");
foreach (City c in dbCity)
{
var cityIndex = new CityIndexViewModel()
{
CityID = c.CityID,
CityName = c.Name,
StateId = c.State.StateID,
StateName = c.State.Name
};
model.Add(cityIndex);
}
return View(model);
}
public ActionResult Index()
{
var模型=新列表();
var dbCity=db.City.Include(“州”);
foreach(dbCity中的c市)
{
var cityIndex=new CityIndexViewModel()
{
CityID=c.CityID,
CityName=c.名称,
StateId=c.State.StateId,
StateName=c.State.Name
};
模型。添加(城市索引);
}
返回视图(模型);
}
查看
@model IEnumerable<app.ViewModel.CityIndexViewModel>
@{
ViewBag.Title = "Index";
}
<h2>Index</h2>
<p>
@Html.ActionLink("Create New", "Create")
</p>
<table>
<tr>
<th>
Citys
@*@Html.DisplayNameFor(model => model.Citys)*@
</th>
<th>
States
@*@Html.DisplayNameFor(model => model.States)*@
</th>
<th></th>
</tr>
@foreach (var item in Model) {
<tr>
<td>
@Html.DisplayFor(modelItem => item.CityName)
</td>
<td>
@Html.DisplayFor(modelItem => item.StateName)
</td>
<td>
@* @Html.ActionLink("Edit", "Edit", new { id=item.CityID }) |
@Html.ActionLink("Details", "Details", new { id=item.CityID }) |
@Html.ActionLink("Delete", "Delete", new { id=item.CityID })*@
</td>
</tr>
}
</table>
@model IEnumerable
@{
ViewBag.Title=“Index”;
}
指数
@ActionLink(“新建”、“创建”)
城市
@*@DisplayNameFor(model=>model.Citys)*@
州
@*@DisplayNameFor(model=>model.States)*@
@foreach(模型中的var项目){
@DisplayFor(modelItem=>item.CityName)
@DisplayFor(modelItem=>item.StateName)
@*@Html.ActionLink(“编辑”,“编辑”,新的{id=item.CityID})|
@ActionLink(“详细信息”,“详细信息”,新的{id=item.CityID})|
@ActionLink(“删除”,“删除”,新的{id=item.CityID})*@
}
您应该告诉未来的访问者您是如何解决问题的
@model IEnumerable<app.ViewModel.CityIndexViewModel>
@{
ViewBag.Title = "Index";
}
<h2>Index</h2>
<p>
@Html.ActionLink("Create New", "Create")
</p>
<table>
<tr>
<th>
Citys
@*@Html.DisplayNameFor(model => model.Citys)*@
</th>
<th>
States
@*@Html.DisplayNameFor(model => model.States)*@
</th>
<th></th>
</tr>
@foreach (var item in Model) {
<tr>
<td>
@Html.DisplayFor(modelItem => item.CityName)
</td>
<td>
@Html.DisplayFor(modelItem => item.StateName)
</td>
<td>
@* @Html.ActionLink("Edit", "Edit", new { id=item.CityID }) |
@Html.ActionLink("Details", "Details", new { id=item.CityID }) |
@Html.ActionLink("Delete", "Delete", new { id=item.CityID })*@
</td>
</tr>
}
</table>