当我执行以下代码时,我收到此错误。我无法解决这个问题。有谁能够帮我?任何帮助将不胜感激。
型号:
public class UserViewModel
{
public Users User { get; set; }
public List<ExamGroups> AllGroups { get; set; }
public List<ExamGroups> UserGroups { get; set; }
//public List<> SelectedExamGroups { get; set; }
public int[] SelectedGroups { get; set; }
}
查看:
<div class="editor-label">
@Html.LabelFor(model => model.User.RoleID)
</div>
<div class="editor-field">
@Html.DropDownListFor(model => model.User.RoleID, (SelectList)ViewBag.UserRoles, "Seçiniz")
@Html.ValidationMessageFor(model => model.User.RoleID)
</div>
控制器:
public ActionResult Create() {
ViewBag.UserRoles = new SelectList(db.ListItem.Where(a => a.ListID == 2), "ListValue", "ListText");
var q = new SelectList(new[]{ new { ID= "1", Name="Aktif"}, new { ID= "0", Name="Pasif"}, } ,"ID","Name",1);
ViewBag.Status = q;
return View(InitilizeData());
}
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Create(UserViewModel users)
{
if (ModelState.IsValid)
{
string IDs = "";
for (int i = 0; i < users.SelectedGroups.Count(); i++)
{
IDs += users.SelectedGroups[i].ToString() + "|";
}
db.CreateUser(users.User.RegistryNo, users.User.Name, users.User.Surname, users.User.Password, users.User.RoleID, users.User.IsActive, IDs, users.User.LastLoginDate);
}
return View();
}