c# - mvc5 model which is posted with html.beginform is missing some properties -

i have model i'm using in view:

using (var db = new fieldsavercontext()) {     aspnetuser user = (from p in db.aspnetusers                        p.id == id                        select p).include(m => m.aspnetroles) .first();     model.auser = user;      list<aspnetrole> roles = (from r in db.aspnetroles                               select r).tolist();     model.rolelist = roles;      list<listid> ids = (from l in db.listids                         select l).tolist();     model.listidlist = ids;      list<viewerlist> viewerlists = (from v in db.viewerlist                                     select v).tolist();     model.viewerlist = viewerlists;  } 

this how view looks like:

@using (html.beginform("edit", "users")) {   <div class="container containeredit">     <div class="col-md-9">       <div class="col-md-6">         <div class="form-group">           @html.labelfor(m => m.auser.id)           <label>@html.displayfor(m => m.auser.id)</label>         </div>         <div class="form-group">           @html.displayfor(m => m.auser.firstname)           @html.textboxfor(m => m.auser.firstname)         </div>         <div class="form-group">           @html.labelfor(m => m.auser.phonenumber)           @html.textboxfor(m => m.auser.phonenumber)         </div>         <div class="form-group">           @html.labelfor(m => m.listidlist)           @html.dropdownlistfor(n => n.listidlist, new selectlist(model.listidlist, "id", "value"))         </div>         <div class="form-group">           @html.labelfor(m => m.auser.note1)           @html.textboxfor(m => m.auser.note1)         </div>         <div class="form-group">           @html.labelfor(m => m.auser.note2)           @html.textboxfor(m => m.auser.note2)         </div>       </div>       <div class="col-md-6">         <div class="form-group">&nbsp;</div>         <div class="form-group">           @html.labelfor(m => m.auser.lastname)           @html.textboxfor(m => m.auser.lastname)         </div>         <div class="form-group">           @html.labelfor(m => m.auser.email)           @html.textboxfor(m => m.auser.email)         </div>         <div class="form-group">           <label>report viewer</label>           @html.dropdownlistfor(v => v.auser.viewerid, new selectlist(model.viewerlist, "id", "value"))         </div>       </div>       @html.hiddenfor(v => v.auser.id)     </div>     <div class="col-md-3">       @foreach (aspnetrole role in model.rolelist)       { @html.checkbox(role.name, model.auser.aspnetroles.any(userrole => userrole.id == role.id)) @html.label(role.name)<br /> }     </div>   </div>   <div class="col-md-8">     <input type="submit" class="btn btn-success btn-lg btnsaveedit" value="save" />   </div> }   

when postback happening, i'm able values auser i'm not getting of values model.rolelist used in checkbox. want check checkboxes checked rolelist , assign roles user.

any idea missing?

thanks in advance, laziale

update:

edit action(s):

[httpget] public actionresult edit(int? id) {     manageviewmodel model = new manageviewmodel();           using (var db = new dbcontext())         {             aspnetuser user = (from p in db.aspnetusers                                p.id == id                                select p).include(m => m.aspnetroles) .first();             model.auser = user;              list<aspnetrole> roles = (from r in db.aspnetroles                                       select r).tolist();              model.rolelist = roles;              list<listid> ids = (from l in db.listids                 select l).tolist();              model.listidlist = ids;              list<viewerlist> viewerlists = (from v in db.viewerlist                 select v).tolist();              model.viewerlist = viewerlists;          }     return view(model); }  [httppost] public actionresult edit(manageviewmodel model) {     aspnetuser user = model.auser;      using (var db = new dbcontext())     {         aspnetuser dbuser = (from u in db.aspnetusers             u.id == model.auser.id             select u).first();          dbuser.firstname = model.auser.firstname;         dbuser.lastname = model.auser.lastname;         dbuser.email = model.auser.email;         dbuser.phonenumber = model.auser.phonenumber;          dbuser.note1 = model.auser.note1;         dbuser.note2 = model.auser.note2;         dbuser.viewerid = model.auser.viewerid;          db.savechanges();     }      return view(); } 

the issue roles not bound view model. here's have do:

• create new role view model:

  public class roleviewmodel {   public int id { get; set; }      public string name { get; set; }   public bool selected { get; set; } } 

• modify manageuserviewmodel have list of roleviewmodel instead of aspnetrole:

  public class manageuserviewmodel {   public list<roleviewmodel> roles { get; set;}   // other properties } 

• change edit set roles property available roles:

  public actionresult edit(int? id) {    // beginning of action    list<aspnetrole> roles = r in db.aspnetroles                             select r;    model.roles = new list<roleviewmodel>();    foreach(aspnetrole role in roles){      model.roles.add(new roleviewmodel {         id = role.id,         name = role.name,        selected = user.aspnetroles.any(userrole => userrole.id == role.id)      });    }    // end of action } 

• change other action to

   public actionresult edit(manageviewmodel model){   // beginning of action   // remove roles user   list<aspnetroles> newroles = new list<aspnetroles>();   foreach(roleviewmodel role in model.roles){     newrole.add(db.aspnetroles.find(role.id))   }    // set user roles newroles   // end of action  } 

• in view change checkbox part :

  @html.editorfor(model => model.roles) 

• and create shared/editortemplate/roleviewmodel.cshtml file :

  @model roleviewmodel @html.hiddenfor(model => model.id) @html.checkboxfor(model => model.selected) @html.displayfor(model => model.name)