public class WebPages
    {
    [Key]
    public int WebPagesId { get; set; }
    public int ClientsId { get; set; }
    [ForeignKey("ClientsId")]
    public virtual Clients Clients { get; set;}
    public String ClientsName { get; set; }
    public String DomainName { get; set; }
    public String DomainEmails { get; set; }
    public String DomainUsers { get; set; }
    public String DomainPasswords { get; set; }

}
 }

public class WebPagesViewModel
   {
   public String DomainName { get; set; }
   public String DomainEmails { get; set; }
   public String DomainUsers { get; set; }
   public String DomainPasswords { get; set; }
   public int SelectedClient { get; set; }
   public IEnumerable<SelectListItem> Clients { get; set; }
 }

public ActionResult Create(WebPages model)
   {

       var vm = new WebPagesViewModel
       {

           Clients = new SelectList(db.ClientsList, "ClientsId", "ClientsName"),

       };


       return View(vm);
   }

[HttpPost]
    [ValidateAntiForgeryToken]

    public async Task<ActionResult> Create([Bind(Include = "DomainName,DomainEmails,DomainUsers,DomainPasswords,ClientsName,SelectedClient")] WebPagesViewModel model)
    {


        model.Clients = new SelectList(db.ClientsList, "ClientsId", "ClientsName");
        try
        {
            if (ModelState.IsValid)
            {
                model.WebPagesCreate();

                return RedirectToAction("Index", "WebPages");
            }

        }
        catch (Exception)
        {
          //Exception code
        }

        return View(model);
    }

@model IncursusAccounting.Models.ViewModels.WebPagesViewModel

 @{
 ViewBag.Title = "Create";
 }

 <h2>Create</h2>

  @using (Html.BeginForm())
 {
 @Html.AntiForgeryToken()

<div class="form-horizontal">
 <h4>WebPages</h4>
 <hr />
 @Html.ValidationSummary(true, "", new { @class = "text-danger" })
 <div class="form-group">
 <div class="col-md-10">
 @Html.DropDownListFor(m => m.SelectedClient, Model.Clients, "-Selecciona una opcion-", new { @class = "form-control" })
 @Html.ValidationMessageFor(m => m.SelectedClient)
</div>
 </div>
<div class="form-group">
 @Html.LabelFor(model => model.DomainName, htmlAttributes: new { @class = "control-label col-md-2" })
 <div class="col-md-10">
 @Html.EditorFor(model => model.DomainName, new { htmlAttributes = new {     @class = "form-control" } })
 @Html.ValidationMessageFor(model => model.DomainName, "", new { @class = "text-danger" })
 </div>
 </div>

 <div class="form-group">
 @Html.LabelFor(model => model.DomainEmails, htmlAttributes: new { @class = "control-label col-md-2" })
 <div class="col-md-10">
 @Html.EditorFor(model => model.DomainEmails, new { htmlAttributes = new {   @class = "form-control" } })
 @Html.ValidationMessageFor(model => model.DomainEmails, "", new { @class = "text-danger" })
</div>
</div>

<div class="form-group">
@Html.LabelFor(model => model.DomainUsers, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.EditorFor(model => model.DomainUsers, new { htmlAttributes = new { @class = "form-control" } })
@Html.ValidationMessageFor(model => model.DomainUsers, "", new { @class = "text-danger" })
</div>
</div>

<div class="form-group">
@Html.LabelFor(model => model.DomainPasswords, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.EditorFor(model => model.DomainPasswords, new { htmlAttributes = new { @class = "form-control" } })
 @Html.ValidationMessageFor(model => model.DomainPasswords, "", new { @class = "text-danger" })
</div>
</div>

<div class="form-group">
<div class="col-md-offset-2 col-md-10">
<input type="submit" value="Create" class="btn btn-default" />
</div>
</div>
</div>
 }

 <div>
 @Html.ActionLink("Back to List", "Index")
 </div>

public class DomainUser {
    public String Email { get; set; }
    public String User { get; set; }
    public String Password { get; set; }
 }

public ActionResult Index()
{
    var initialData = new[] {
        new DomainUser { Email = "email@example.org", User = "ExampleUser", Password="ExamplePassword" }
    };
    return View(initialData);
}

<h2>Domain Users</h2>

<% using(Html.BeginForm()) { %>
    <div id="domainUserRows">
        <% foreach (var item in Model)
            Html.RenderPartial("DomainUser", item);
        %>
    </div>

    <input type="submit" value="Finished" />
<% } %>

<div class="domainUserRow">
    <% using(Html.BeginCollectionItem("DomainUser")) { %>
        Email: <%= Html.TextBoxFor(x => x.Email) %>
        User: <%= Html.TextBoxFor(x => x.User) %>
        Password: <%= Html.TextBoxFor(x => x.Password) %>
    <% } %>
</div>