[英]Multiple items in a Dropdownlist
我有一個實體“燃料卡”,由實體“人員”組成(您必須選擇一個鏈接到新卡的人員)。 因此,我有一個下拉列表,該列表由模型“人”的屬性“名稱”填充。 我要執行的操作是向我的下拉列表提供2個項目,分別是名字和姓氏(所以我的下拉列表將包含“ FirstName +“” + LastName“)。 有什么想法嗎? 在互聯網上找不到關於...的任何信息...
我的加油卡的創建方法
[HttpPost]
public ActionResult Create(VehicleFuelCard vehiclefuelcard)
{
if (ModelState.IsValid)
{
db.VehicleFuelCards.AddObject(vehiclefuelcard);
db.SaveChanges();
return RedirectToAction("Index");
}
ViewBag.Id_Person = new SelectList(db.Persons, "Id_Person", "FirstName", vehiclefuelcard.Id_Person);
ViewBag.Id_VehicleFuelCardCompany = new SelectList(db.VehicleFuelCardCompanies, "Id_VehicleFuelCardCompany", "Name", vehiclefuelcard.Id_VehicleFuelCardCompany);
return View(vehiclefuelcard);
}
//
// GET: /VehicleFuelCard/Edit/5
public ActionResult Edit(long id = 0)
{
VehicleFuelCard vehiclefuelcard = db.VehicleFuelCards.Single(v => v.Id_VehicleFuelCard == id);
if (vehiclefuelcard == null)
{
return HttpNotFound();
}
ViewBag.Id_Person = new SelectList(db.Persons, "Id_Person", "FirstName", vehiclefuelcard.Id_Person);
ViewBag.Id_VehicleFuelCardCompany = new SelectList(db.VehicleFuelCardCompanies, "Id_VehicleFuelCardCompany", "Name", vehiclefuelcard.Id_VehicleFuelCardCompany);
return View(vehiclefuelcard);
}
視圖創建:
@model BuSIMaterial.Models.VehicleFuelCard
@{
ViewBag.Title = "Create";
}
<h2>Create a fuel card</h2><br />
@using (Html.BeginForm()) {
@Html.ValidationSummary(true)
<fieldset>
<legend>VehicleFuelCard</legend>
<div class="editor-label">
Card Number :
</div>
<div class="editor-field">
@Html.TextBoxFor(model => model.Number, new { maxlenght = 50})
@Html.ValidationMessageFor(model => model.Number)
</div>
<div class="editor-label">
PIN code :
</div>
<div class="editor-field">
@Html.TextBoxFor(model => model.PIN, new { maxlenght = 8})
@Html.ValidationMessageFor(model => model.PIN)
</div>
<div class="editor-label">
Start date :
</div>
<div class="editor-field">
@Html.EditorFor(model => model.StartDate)
@Html.ValidationMessageFor(model => model.StartDate)
</div>
<div class="editor-label">
End date :
</div>
<div class="editor-field">
@Html.EditorFor(model => model.EndDate)
@Html.ValidationMessageFor(model => model.EndDate)
</div>
<div class="editor-label">
Company :
</div>
<div class="editor-field">
@Html.DropDownList("Id_VehicleFuelCardCompany", String.Empty)
@Html.ValidationMessageFor(model => model.Id_VehicleFuelCardCompany)
</div>
<div class="editor-label">
Owner :
</div>
<div class="editor-field">
@Html.DropDownList("Id_Person", String.Empty)
@Html.ValidationMessageFor(model => model.Id_Person)
</div>
<p>
<input type="submit" value="Create" />
</p>
</fieldset>
}
<div>
@Html.ActionLink("Back to List", "Index")
</div>
@section Scripts {
@Scripts.Render("~/bundles/jqueryval")
}
在模型上創建一個名為FullName的屬性,類似於
public string FullName
{
get { return FirstName + " " + LastName; }
}
然后將您的下拉列表綁定到該列表。
嘗試這個:
var people = from p in db.Persons.ToList()
select new
{
Id = Id_Person,
Name = p.FirstName + " " + p.LastName,
};
ViewBag.Id_Person = new SelectList(people, "Id", "Name", vehiclefuelcard.Id_Person);
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