How can the roles for individual users be listed, selected and edited with membership info?

As you are returning just 1 object of type IndexViewModel you need to change your model to model BBmvc.Areas.Tools.Models. IndexViewModel .

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I'm trying to create an admin section to manage users using .net MVC3 in vs 2010. I've figured out how to create and edit new users and roles separately. But I am struggling to figure out how to add roles when I create or edit a new user.

This is as far as I've gotten: In my Model: public class UserModel { Required Display(Name = "User name") public string UserName { get; set; } Required DataType(DataType. EmailAddress) Display(Name = "Email address") public string Email { get; set; } Required StringLength(100, ErrorMessage = "The {0} must be at least {2} characters long. ", MinimumLength = 6) DataType(DataType.

Password) Display(Name = "Password") public string Password { get; set; } DataType(DataType. Password) Display(Name = "Confirm password") Compare("Password", ErrorMessage = "The password and confirmation password do not match. ") public string ConfirmPassword { get; set; } } public class IndexViewModel { public IEnumerable Users { get; set; } public IEnumerable Roles { get; set; } } In my Controller public ActionResult Index() { return View( new IndexViewModel { Users = Membership.GetAllUsers().Cast().

Select(x => new UserModel { UserName = x. UserName, Email = x. Email, }), Roles = Roles.GetAllRoles() }); } And in the View: @model IEnumerable //... @foreach (var item in Model) { foreach (var user in item.

Users) { @Html. DisplayFor(modelItem => user. UserName) @Html.

DisplayFor(modelItem => user. Email) @Html. DisplayFor(modelItem => user.

Password) @Html. DisplayFor(modelItem => user. ConfirmPassword) @Html.

ActionLink("Edit", "Edit", new { /* id=user. PrimaryKey */ }) | @Html. ActionLink("Details", "Details", new { /* id=user.

PrimaryKey */ }) | @Html. ActionLink("Delete", "Delete", new { /* id=user. PrimaryKey */ }) } } I am seeing this error: The model item passed into the dictionary is of type 'BBmvc.Areas.Tools.Models.

IndexViewModel', but this dictionary requires a model item of type 'System.Collections.Generic. IEnumerable I'm confused. Am I on the right track?

Right now I'm simply trying to get the roles to display on the page ... eventually I need them to be filtered for each user so that only the roles a user is in will be listed. EDIT: The answer below fixed the viewmodel problem I was having. The ultimate solution to displaying roles for each user wasn't that involved.

I added a list to the UserModel: public IEnumerable UserRoles { get; set; } Filled it in the Controller: public ActionResult Index2() { var model = Membership.GetAllUsers().Cast(). Select(x => new UserModel { UserName = x. UserName, Email = x.

Email, UserRoles = Roles. GetRolesForUser(x. UserName) }); return View(model); } And then displayed it in the view: @foreach (var item in Model) { @Html.

DisplayFor(modelItem => item. UserName) @Html. DisplayFor(modelItem => item.

Email) @foreach (var role in item. UserRoles) { @role } @Html. ActionLink("Edit", "Edit", new { /* id=item.

PrimaryKey */ }) | @Html. ActionLink("Details", "Details", new { /* id=item. PrimaryKey */ }) | @Html.

ActionLink("Delete", "Delete", new { /* id=item. PrimaryKey */ }) } Thanks to everyone! Asp.net-mvc-3 link|improve this question edited Dec 16 '11 at 14:04 asked Dec 15 '11 at 21:18Rob574 60% accept rate.

– DaveShaw Dec 15 '11 at 22:03 @model IEnumerable – Rob Dec 15 '11 at 22:55.

As you are returning just 1 object of type IndexViewModel you need to change your @model to @model BBmvc.Areas.Tools.Models.IndexViewModel. As this single object is holding a list of users and roles... you need to change the view: @model BBmvc.Areas.Tools.Models. IndexViewModel //... @foreach (var user in Model.

Users) { @Html. DisplayFor(modelItem => user. UserName) @Html.

DisplayFor(modelItem => user. Email) @Html. DisplayFor(modelItem => user.

Password) @foreach (var role in Model.Roles. Where(x => x. IdUser == user.

IdUser)) { @role.Name | } @Html. ActionLink("ViewRoles", "View Roles", new { id=user. PrimaryKey }) | @Html.

ActionLink("Edit", "Edit", new { id=user. PrimaryKey }) | @Html. ActionLink("Details", "Details", new { id=user.

PrimaryKey }) | @Html. ActionLink("Delete", "Delete", new { id=user. PrimaryKey }) } This way, you can have the roles of the user, and clicking on "View Roles" or "Setup Roles" (use the link text that best suite your problem) you can have a list of the roles of that user.

There you can add/edit/delete roles for the selected user.

That is much better. How do I get from here to displaying the roles specific to each user? – Rob Dec 16 '11 at 12:14 @Rob, you can have a View to display Roles, and place another link in this one: '@Html.

ActionLink("ViewRoles", "View Roles", new { id=user. PrimaryKey })'. Besides that, you can have a Roles summary in other '' of this table.

See update. – Romias Dec 16 '11 at 12:51 I actually added the list of roles to the UserModel: – Rob Dec 16 '11 at 13:35.

You need to change the @model From: @model IEnumerable To: @model BBmvc.Areas.Tools.Models.IndexViewModel. The code in your controller is just returning an instance of IndexViewModel, not an IEnumerable (in other words a collection/list/array/whatever) of IndexViewModel's.

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