I'm trying to use Membership.GetAllUsers() to create a list of all of my users in the database. However, I have a model that I use that maps out the user properties (First Name, Last Name, Email, etc.).
How can I add all of the users into List<ManageUserViewModel>.
I've already tired:
List<ManageUserViewModel> model = Membership.GetAllUsers();
and then
MembershipUserCollection users = Membership.GetAllUsers();
List<ManageUserViewModel> model = new List<ManageUserViewModel>();
foreach (var item in users)
{
model.Add(item);
}
If you're explicit with the object type in the foreach loop, you'll be able to access the user object you're looking for.
For example:
var users = Membership.GetAllUsers();
var userList = new List<MembershipUser>();
foreach (MembershipUser user in users)
{
userList.Add(user);
}
Membership.GetAllUsers() returns a MembershipUserCollection which in practice is a list of MembershipUser, whereas you want a list of ManageUserViewModel which I assume is an internal class to your application.
You can use LINQ for this:
var model = Membership.GetAllUsers()
.Select(m =>
new ManageUserViewModel {/* set properties you need here */ }
)
.ToList();
Which is the equivalent of:
var users = Membership.GetAllUsers();
var model = new List<ManageUserViewModel>();
foreach (var item in users)
{
model.Add(new ManageUserViewModel { /* set properties here */});
}
I had the same challenge. mine was with vb not c# and .NEt version 4.5 using visual studio 2013.
I got all the solution from Microsoft website here
best of luck
Related
I'm working on a dotnet mvc5 application. Here's a function from my api of customer controller
public IHttpActionResult GetCustomers()
{
var customerDtos = _context.Customers.ToList().Select(Mapper.Map<Customer, CustomerDto>);
return Ok(customerDtos);
}
I need to add "TYPEAHEAD" plugin to my application. The video series/instructor I'm following says to make the function code change to
public IHttpActionResult GetCustomers(string query = null)
{
var customersQuery = _context.Customers
.Include(c => c.MembershipType);
if (!String.IsNullOrWhiteSpace(query))
customersQuery = customersQuery.Where(c => c.Name.Contains(query));
var customerDtos = customersQuery
.ToList()
.Select(Mapper.Map<Customer, CustomerDto>);
return Ok(customerDtos);
}
in order to make "TypeAhead" plug in work on my view.
The only problem is previously while creating customers I didn't feel the need to add "MembershipType" class to my customer. So how do I use the new code without MembershipType. Is there any other attribute I can replace it with? Name, ID etc.
.Include(c => c.MembershipType);
essentially means that you also want to include the 'child' collection of MembershipType
See here for more information on Loading Related Entities
For your case, you can simply omit this.
public IHttpActionResult GetCustomers(string query = null)
{
var customersQuery = _context.Customers;
if (!String.IsNullOrWhiteSpace(query))
customersQuery = customersQuery.Where(c => c.Name.Contains(query));
var customerDtos = customersQuery
.ToList()
.Select(Mapper.Map<Customer, CustomerDto>);
return Ok(customerDtos);
}
You don't need to replace it with anything.
customersQuery is then an IQueryable<Customer> which the rest of this code can append Where clause to.
It is not executed against the database until the ToList call.
As the title says. I have a page with a Job that have an ID. This ID I am storing in a Session and when I am trying to access the Company profile I just test if the Session Variable with Job ID from the tables Jobs and then I am trying to select the User ID and then with this User ID I search in UserManager and try to populate the page with some data.
Code For Company Profile:
public async Task<ActionResult> Details(string id)
{
String JobValID = Convert.ToString(Session["DetailsURL"]);
var UserJobID = context.Jobs.Where(x => x.ID.ToString() == JobValID).OrderByDescending(x => x.UserID).Select(x => x).ToString();
UserJobID = id; //This line is to see what value I got from LINQ and is still the Session value.
if (id == null)
{
return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
}
var user = await UserManager.FindByIdAsync(id);
return View(user);
}
View For this Controller is default scaffolded View from controller.
And like This I get Session["DetailsURL"]
var currentID = Url.RequestContext.RouteData.Values["id"];
Session["DetailsURL"] = currentID;
I guess this is not the standard way to get a User Profile page. But I am using an ActionLink from Job Page to get into the Company Profile.
Here ActionLink to get from JobPage to Company Profile:
#Html.ActionLink("About this company", "Details", "UserAdmin", new { id = Session["UserJobID"] }, null)
My problem is in LINQ statement, when I am trying to select UserID, it doesn't get the right value, and when I am searching in UserManager the value is still the session Value.
Found the solution here
So how I did it:
var UserJobId = (from c in context.Jobs
where c.ID == JobValID
select new { c.UserID }).Single();
var myVal = UserJobId.UserID;
id = myVal;
It has been awhile since I have used C#, but your LINQ statement seems to be getting a list of Job objects and doing ToString on the list. If Job has reference to the UserId associated with it, then the following LINQ statement should work:
var userId = context.Jobs
.SingleOrDefault(x => x.ID.ToString() == jobId)
.?Select(j => j.<accessorToUserId>) // Not sure what your schema is
.?ToString()
Notice the ?. This is just in case SingleOrDefault returns null then the following method calls won't happen. If, for some reason, more than one Job uses that jobId, which is really bad practice, replace SingleOrDefault with FirstOrDefault.
Also, Select is supposed to be used to map from type T to type U. Doing Select(x => x) is pointless since you are simply doing T -> T.
I find it difficult to understand the structure of the MembershipUserCollection class. For example, I get All Users as a MembershipUserCollection, yet I cannot access MembershipUser to get the users emails. Here is a sample of what I currently do:
MembershipUserCollection AllUsers = Membership.GetAllUsers();
foreach (var user in AllUsers)
{
var userName = user.ToString();
// Is there a better way to get the email within loop without having to call the GetUser method??
var email = Membership.GetUser(user).Email
}
Try using
foreach (MembershipUser user in AllUsers)
I want to get:
list of ApplicationUsers who are in role "NormalUser" to anybody
list of all ApplicationUsers only to Admins only.
I did this:
// GET: ApplicationUsers
public ActionResult Index() {
// if you are Admin you will get all users
if (User.IsInRole("Admin"))
return View(db.Users.ToList());
//if you are somebody else(not Admin) you will see only list of NormalUsers
//HERE I GET ERROR
var list = db.Users.Where(x => UserManager.IsInRole(x.Id, "NormalUser")).ToList(); // here I get error
return View(list);
}
UserManager inside code above is: UserManager = new UserManager<ApplicationUser>(new UserStore<ApplicationUser>(db));
But unfortunately my LINQ expresiion is incorrect. I get error:
LINQ to Entities does not recognize the method 'Boolean IsInRole[ApplicationUser,String](Microsoft.AspNet.Identity.UserManager`2[WebApplication2.Models.ApplicationUser,System.String], System.String, System.String)' method, and this method cannot be translated into a store expression.
Question: How to correctly get list of users who are in role "NormalUser"?
The UserManager.IsInRole function isn't supported at the database, but if your application can bear the weight of pulling the whole User table back from the database before applying your filter then you can just add a ToList between your Users table reference and your Where filter, i.e.
var list = db.Users.ToList().Where(x => UserManager.IsInRole(x.Id, "NormalUser")).ToList();
I reached here for a good quick answer but could not find one. So decided to put on what I got for any other visitor who comes here. To get the List of Users in any particular Role, one can use this code.
public async Task<ActionResult> Index()
{
List<ApplicationUser> appUsers=new List<ApplicationUser>();
await Task.Run( () =>
{
var roleManager = new RoleManager<IdentityRole>( new RoleStore<IdentityRole>( db ) );
var adminRole=roleManager.FindByName("Admin");
appUsers = db.Users.Where( x => x.Roles.Any( s => s.RoleId == adminRole.Id ) ).ToList();
} );
return View( appUsers );
}
It would be useful to know how Roles and Application users relate.
If the user can only belong to one role, it would be fine for you to do something like this:
var list = db.Users.ToList().Where(x => x.Role == "NormalUser").ToList();
Id the user can be part of multiple roles, it would look something more like this:
var list = db.Users.ToList().Where(x => x.Roles.Contains("NormalUser")).ToList();
Hope this helps.
I have the following code. But there must be a more database efficient way to do this, because, correct me if Im wrong the number of database queries is
(1 + (qty of users with admin role))
With a new MVC 4 project the membership defaults are the tables UserProfile, webpages_Roles and webpages_UsersInRoles. I see lots of built in methods for Roles.Get*. If I want to avoid writing code like what I have below do I need to explicitly create a model for webpages_Roles and webpages_UsersInRoles as well as all the code first properties? Getting just the username from Roles.Get* doesnt suffice, I need the full UserProfile.
FYI the "UserRole" object below is just an enum
public ActionResult Admins()
{
var dbContext = new UsersContext();
var usernames = Roles.GetUsersInRole(UserRole.SiteAdministrator.ToString());
var adminUsers = new List<UserProfile>();
foreach (string username in usernames)
{
var adminUser = dbContext.UserProfiles.FirstOrDefault(u => u.UserName.ToLower() == username);
adminUser.Roles.Add(UserRole.SiteAdministrator);
adminUsers.Add(adminUser);
}
return View(adminUsers);
}
Yes, you don't want to do it that way. That's a very inefficient way.
Instead, use the tools as they were designed. For example, something like this:
var usernames = Roles.GetUsersInRole(UserRole.SiteAdministrator.ToString());
var adminUsers = dbContext.UserProfiles
.Where(x => usernames.Contains(x.Username)).ToList();
return View(adminUsers);