@using (Html.BeginForm("AddClub", "Club", FormMethod.Post, new { @class = "form-horizontal" }))
    {
        <div class="form-group">
            <label class="control-label col-sm-3">Club Sponser:</label>
            <div class="col-sm-4">
                @Html.TextBox("ClubSponser", null, new { @class = "form-control", id = "ClubSponser", placeholder = "Enter club Sponser" })
            </div>
        </div>
        <div class="btn-toolbar col-md-offset-7" role="group">
            <button type="submit" onsubmit="AddClub("ClubName","ClubOwner","ClubCoach","ClubSponser")" class="btn btn-primary">Add Club</button>
            <a href="@Url.Action("Index", "Home")" class="btn btn-danger">Cancel</a>
        </div>
    }

[HttpPost]
    public ActionResult AddClub(string ClubName,string ClubOwner,string ClubCoach,string ClubSponser)
    {
        Club club = new Club()
        {
            Name = ClubName,
            Owner = ClubOwner,
            Coach=ClubCoach,
            Sponser=ClubSponser
        };
        clubRepo.AddClub(club);
        return RedirectToAction("Index","Club");
    }

public async Task AddClub(Club club)
    {
        _context.Clubs.Add(club);
        await _context.SaveChangesAsync();
    }

services.AddSingleton<IClubRepo, ClubService>();