[MetadataType(typeof(Team_Validation))]
    public partial class Team { }

    public partial class Team
    {
        public Team()
        {
            this.createdBy = 9;
            this.createdOn = DateTime.Now;
            this.deleted_b = false;
        }
    }

    public class Team_Validation
    {
        [Required(ErrorMessage = "Name is required")]
        [StringLength(50, ErrorMessage = "Name may not be longer than 50 characters")]
        string Name { get; set; }

        [Required(ErrorMessage = "League is required")]
        int LeagueId { get; set; }
    }

    public class TeamFormViewModel
    {
        FFRepository data = new FFRepository();

        public Team Team { get; private set; }
        public SelectList Leagues { get; private set; }

        public TeamFormViewModel(Team team)
        {
            this.Team = team;
            this.Leagues = new SelectList(data.GetLeagues(), "LeagueId", "ListName", Team.LeagueId);
        }

    }

<%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage<FFAdminMvc.Models.TeamFormViewModel>" %>

<asp:Content ID="Content1" ContentPlaceHolderID="TitleContent" runat="server">
	Create New Team
</asp:Content>

<asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server">

    <h2>Create New Team</h2>

    <% using (Html.BeginForm()) {%>
        <%: Html.ValidationSummary(true) %>

        <fieldset>
            
            <div class="editor-label">
                Team Name
            </div>
            <div class="editor-field">
                <%: Html.TextBoxFor(model => model.Team.Name)%>
                <%: Html.ValidationMessageFor(model => model.Team.Name)%>
            </div>

            <div class="editor-label">
                League
            </div>
            <div class="editor-field">
                <%: Html.DropDownListFor(model => model.Team.LeagueId, Model.Leagues, "")%>
                <%: Html.ValidationMessageFor(model => model.Team.Name) %>
            </div>
            
            <div>
                <input type="submit" value="Create" />
            </div>

        </fieldset>

    <% } %>

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

</asp:Content>

  //
        // GET: /Team/Create
        public ActionResult Create()
        {
            Team team = new Team();
            return View(new TeamFormViewModel(team));
        } 

        //
        // POST: /Team/Create
        [HttpPost]
        public ActionResult Create(Team team)
        {
            if (ModelState.IsValid)
            {
                data.AddTeam(team);
                //data.Save();
                return RedirectToAction("Details", new { id = team.TeamId });
            }
            else
            {
                return View(new TeamFormViewModel(team));
            }
        }

[MetadataType(typeof(Dinner_Validation))]
[Bind(Include="Title,Description,EventDate,Address,Country,ContactPhone,Latitude,Longitude")]

public partial class Dinner
{
 ...
}