我有一个表叫access
linked with FK to user's table
,所以用户有一个访问集合。MVC5 EF返回数据查看
有了这个,我的控制器返回一个包含所有访问的列表。
我想创建一个与用户表上的所有用户的下拉菜单。
对此,我跟着this问题的第一个答案。
我会在这里贴上我的控制器返回一个视图的代码做索引:
public ActionResult Index(string searchString, string sortOrder)
{
ViewBag.IDSortParm = sortOrder == "ID_asc" ? "ID_desc" : "ID_asc";
ViewBag.EmailSortParm = sortOrder == "Email_asc" ? "Email_desc" : "Email_asc";
ViewBag.DateSortParm = sortOrder == "Date" ? "date_desc" : "Date";
ViewBag.NameSortParm = sortOrder == "Name_asc" ? "Name_desc" : "Name_asc";
var userAccesses = db.UserAccesses.Include(u => u.User);
//UserNamesToList = GetUserNamesList();
/*
var NamesToListQ = userAccesses.Select(x => new SelectListItem
{
Value = x.User.Id,
Text = x.User.Name
});
var NamesToList = new SelectList(NamesToListQ, "Value", "Text");
*/
if (User.IsInRole("Admin"))
{
userAccesses = db.UserAccesses.Include(u => u.User);
switch (sortOrder)
{
case "Date":
userAccesses = db.UserAccesses.Include(u => u.User).OrderBy(s => s.Access);
break;
case "date_desc":
userAccesses = db.UserAccesses.Include(u => u.User).OrderByDescending(s => s.Access);
break;
case "Email_desc":
userAccesses = db.UserAccesses.Include(u => u.User).OrderByDescending(s => s.User.Email);
break;
case "Email_asc":
userAccesses = db.UserAccesses.Include(u => u.User).OrderBy(s => s.User.Email);
break;
case "ID_desc":
userAccesses = db.UserAccesses.Include(u => u.User).OrderByDescending(s => s.UserAcessID);
break;
case "ID_asc":
userAccesses = db.UserAccesses.Include(u => u.User).OrderBy(s => s.UserAcessID);
break;
case "Name_asc":
userAccesses = db.UserAccesses.Include(u => u.User).OrderBy(s => s.User.Name);
break;
case "Name_desc":
userAccesses = db.UserAccesses.Include(u => u.User).OrderBy(s => s.User.Name);
break;
default:
userAccesses = db.UserAccesses.Include(u => u.User).OrderBy(s => s.UserAcessID);
break;
}
if (!String.IsNullOrEmpty(searchString))
{
userAccesses = db.UserAccesses.Include(u => u.User)
.Where(s => s.User.Email.Contains(searchString) || s.User.Id.Contains(searchString));
switch (sortOrder)
{
case "Date":
userAccesses = db.UserAccesses.Include(u => u.User)
.Where(s => s.User.Email.Contains(searchString) || s.User.Id.Contains(searchString))
.OrderBy(s => s.Access);
break;
case "date_desc":
userAccesses = db.UserAccesses.Include(u => u.User)
.Where(s => s.User.Email.Contains(searchString) || s.User.Id.Contains(searchString))
.OrderByDescending(s => s.Access);
break;
case "Email_desc":
userAccesses = db.UserAccesses.Include(u => u.User)
.Where(s => s.User.Email.Contains(searchString) || s.User.Id.Contains(searchString))
.OrderByDescending(s => s.User.Email);
break;
case "Email_asc":
userAccesses = db.UserAccesses.Include(u => u.User)
.Where(s => s.User.Email.Contains(searchString) || s.User.Id.Contains(searchString))
.OrderBy(s => s.User.Email);
break;
case "ID_desc":
userAccesses = db.UserAccesses.Include(u => u.User)
.Where(s => s.User.Email.Contains(searchString) || s.User.Id.Contains(searchString))
.OrderByDescending(s => s.UserAcessID);
break;
case "ID_asc":
userAccesses = db.UserAccesses.Include(u => u.User)
.Where(s => s.User.Email.Contains(searchString) || s.User.Id.Contains(searchString))
.OrderBy(s => s.UserAcessID);
break;
case "Name_asc":
userAccesses = db.UserAccesses.Include(u => u.User)
.Where(s => s.User.Email.Contains(searchString) || s.User.Id.Contains(searchString))
.OrderBy(s => s.User.Name);
break;
case "Name_desc":
userAccesses = db.UserAccesses.Include(u => u.User)
.Where(s => s.User.Email.Contains(searchString) || s.User.Id.Contains(searchString))
.OrderByDescending(s => s.User.Name);
break;
default:
userAccesses = db.UserAccesses.Include(u => u.User)
.Where(s => s.User.Email.Contains(searchString) || s.User.Id.Contains(searchString))
.OrderBy(s => s.Access);
break;
}
}
}
else
{
var id = User.Identity.GetUserId();
userAccesses = db.UserAccesses.Where(u => u.UserID == id).Include(i => i.User).Where(u => u.UserID == id);
switch (sortOrder)
{
case "Date":
userAccesses = db.UserAccesses.Where(u => u.UserID == id)
.Include(i => i.User)
.Where(u => u.UserID == id)
.OrderBy(s => s.Access);
break;
case "date_desc":
userAccesses = db.UserAccesses.Where(u => u.UserID == id)
.Include(i => i.User)
.Where(u => u.UserID == id)
.OrderByDescending(s => s.Access);
break;
case "Email_desc":
userAccesses = db.UserAccesses.Where(u => u.UserID == id)
.Include(i => i.User)
.Where(u => u.UserID == id)
.OrderByDescending(s => s.User.Email);
break;
case "Email_asc":
userAccesses = db.UserAccesses.Where(u => u.UserID == id)
.Include(i => i.User)
.Where(u => u.UserID == id)
.OrderBy(s => s.User.Email);
break;
case "ID_desc":
userAccesses = db.UserAccesses.Where(u => u.UserID == id)
.Include(i => i.User)
.Where(u => u.UserID == id)
.OrderByDescending(s => s.UserAcessID);
break;
case "ID_asc":
userAccesses = db.UserAccesses.Where(u => u.UserID == id)
.Include(i => i.User)
.Where(u => u.UserID == id)
.OrderBy(s => s.UserAcessID);
break;
case "Name_asc":
userAccesses = db.UserAccesses.Where(u => u.UserID == id)
.Include(i => i.User)
.Where(u => u.UserID == id)
.OrderBy(s => s.User.Name);
break;
case "Name_desc":
userAccesses = db.UserAccesses.Where(u => u.UserID == id)
.Include(i => i.User)
.Where(u => u.UserID == id)
.OrderBy(s => s.User.Name);
break;
default:
userAccesses = db.UserAccesses.Where(u => u.UserID == id)
.Include(i => i.User)
.Where(u => u.UserID == id)
.OrderBy(s => s.Access);
break;
}
}
return View(userAccesses.ToList());
}
正如你所看到的,在注释行我这样做返回与用户名列表的查询。
我的问题是:我如何访问此列表上的查看视图?
我把这个在我的观点:
@Html.LabelFor(m => m.SelectedUserRoleId)
@Html.DropDownListFor(m => m.SelectedUserRoleId, Model.UserRoles)
,但我不能用 “Model.something”。
TiA!
您不需要使用'userAccesses.ToList()'作为您的模型,您需要在具有视图所需的所有属性的'Models'目录中创建一个模型类。 –
@PaulAbbott但列表在我的UserAccess类。 [看这里](https://gyazo.com/a3f6986c4d44aa8dd3e8f24df5165711) –