Populate DropDownList from model/database in MVC 5

Question

I have been searching around for almost 3 days to find a solution to the following problem. I'm simply trying to add a DropDownList in RegisterViewModel (Identity). During user registration I need to prompt for the Gender.

I have already inserted the following items in the table.

Code = F
Definition = Female
-------------------
Code = M
Definition = Male

When I generate the DropDownList directly inside GenderDDController and it's view it works perfectly but as soon as I'm in RegisterViewModel I have zero chance due to I can't reference multiple models in Register.cshtml (View).

I should also indicate that I'm new to MVC and I'm sure that's the only reason that I look confused right now.

GenderDD | Model

public partial class GenderDD
{
    public int Id { get; set; }

    [StringLength(1)]
    public string Code { get; set; }

    [StringLength(50)]
    public string Definition { get; set; }

    public DateTime? CreateDate { get; set; }

    [StringLength(50)]
    public string CreatedBy { get; set; }

    public bool Deleted { get; set; }

    public DateTime? UpdateDate { get; set; }

    [StringLength(50)]
    public string UpdatedBy { get; set; }
}

RegisterViewModel | Controller

[AllowAnonymous]
public ActionResult Register()
{
   ViewData["GenderList"] =
   Enum.GetValues(typeof (GenderDD))
     .Cast<GenderDD>()
     .Select(c => new SelectListItem {Text = c.ToString(), Value = c.ToString()});

   return View();
}

You need to add and populate a SelectList property in RegisterViewModel, then you can use it in the View — markpsmith
– markpsmith, Commented Oct 21, 2015 at 10:07

UnitStack · Accepted Answer · 2015-10-21 10:30:04Z

3

You can have multiple classes in your model for Register.cshtml (View)

Simply create a base class such as below and reference it as the Model for that view, this will then give you access to two models.

Public Class RegisterViewModel()
{
    public ModelName ModelName  {get;set;}
    public ModelName2 ModelName2  {get;set;}
}

answered Oct 21, 2015 at 10:30

UnitStack

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2 Comments

CodeMaster Over a year ago

Thank you, this worked perfectly but my next problem is still there where I can't populate DropDownList from GenderDD model.

UnitStack Over a year ago

I think it would help us if you posted the code for your view

Divyek · Accepted Answer · 2017-09-26 10:23:46Z

2

Use viewbag to pass data as below, You can write in controller

var genderlist = new List<SelectListItem>
{
  new SelectListItem { code = "M", name = "Male" },
  new SelectListItem { code = "F", name = "Female" }                
};
viewbag.genderlist=genderlist;

You can write in view

@Html.DropDownListFor(model => model.gender, new SelectList(ViewBag.genderlist, "code", "name"))

edited Sep 26, 2017 at 10:23

answered Oct 23, 2015 at 6:39

Divyek

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Populate DropDownList from model/database in MVC 5

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