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[英]Populate Dropdown list according to the value of another dropdown list in MVC
[英]MVC 5 populate dropdown list from another table and save value NOT KEY
問題很簡單。 我想用來自另一個表的值填充DropDownList。 但我不想將它們與外鍵關聯。
我的模特
public class Application1
{
public int Application1Id { get; set; }
public string ApplicationType { get; set; }
}
字段ApplicationType
是應保留ApplicationType
名稱的字段(來自其他表)
我的控制器:
// GET:應用程序1 /創建
public ActionResult Create()
{
ViewBag.AppDataApplicationType = new SelectList(db.AppDataApplicationTypes, "AppDataApplicationTypeId", "Name");
return View();
}
// POST: Application1/Create
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Create(Application1 application1)
{
if (ModelState.IsValid)
{
db.Application1.Add(application1);
db.SaveChanges();
return RedirectToAction("Index");
}
ViewBag.AppDataApplicationTypeId = new SelectList(db.AppDataApplicationTypes, "AppDataApplicationTypeId", "Name");
return View();
}
和我的看法:
<div class="form-group">
<div class="col-md-5">
<span class="glyphicon-asterisk" style="color:red;"></span>
@Html.LabelFor(model => model.ApplicationType , htmlAttributes: new { @class = "control-label", style="margin-bottom:10px;" })
@Html.DropDownListFor(model => model.ApplicationType, (SelectList) ViewBag.AppDataApplicationType, htmlAttributes: new { @class = "form-control" })
@Html.ValidationMessageFor(model => model.ApplicationType, "", new { @class = "text-danger" })
</div>
</div>
問題是,當我嘗試保存此內容時,一切正常,但保存的是id而不是值。
如果有任何幫助,我將不勝感激,請花費數小時嘗試解決問題...
嘗試改變
ViewBag.AppDataApplicationType = new SelectList(db.AppDataApplicationTypes, "AppDataApplicationTypeId", "Name");
至
ViewBag.AppDataApplicationType = new SelectList(db.AppDataApplicationTypes, "Name", "Name");
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