public class HomeController : Controller

{

    public ActionResult Index()

    {

        Project_I_Web_Store.Models.Login obj = new Project_I_Web_Store.Models.Login();

        return View(obj);

    }

    [HttpPost]

    public async Task<ActionResult> Index(Project_I_Web_Store.Models.Login objuserlogin)
    {


        var display = await GetToken(objuserlogin.UserName, objuserlogin.UserPassword);


        string[] tokenandexpire = display.Split(',');
        if (!display.Contains("failure"))
        {
            Session["token"] = tokenandexpire[0];

        }
        if (display != null)

        {

            ViewBag.Status = "CORRECT UserNAme and Password";

        }

        else if (display == null)
        {

            ViewBag.Status = "INCORRECT UserName or Password";

        }

        else
        {
            return View(objuserlogin);
        }

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



    public async Task<string> GetToken(string userName, string password)

    {

        WebRequest request = WebRequest.Create("http://localhost:8080/OAuth/Token");
        request.Method = "POST";
        request.ContentType = "application/Text";
        string postjson = String.Format("grant_type={0}&username={1}&password={2}&client_id={3}&client_secret={4}&scope={5}", "password", userName, password, "Deevita", "DeevitaSecret", 2);
        byte[] bytes = Encoding.UTF8.GetBytes(postjson);
        using (Stream stream = await request.GetRequestStreamAsync())
        {
            stream.Write(bytes, 0, bytes.Length);
        }

        try
        {
            HttpWebResponse httpResponse = (HttpWebResponse)(await request.GetResponseAsync());
            string json;
            using (Stream responseStream = httpResponse.GetResponseStream())
            {
                json = new StreamReader(responseStream).ReadToEnd();
            }
            TokenResponseModel tokenResponse = JsonConvert.DeserializeObject<TokenResponseModel>(json);

            return tokenResponse.access_token + ":" + tokenResponse.expires_in;

        }
        catch (Exception ex)
        {
            return "failure";
        }

    }

}

ViewBag.Title = "Index";

<h3>Login </h3>

@using (Html.BeginForm("Index", "Home"))

{

    <table width="40%" cellpadding="1" cellspacing="5">

        <tr>

            <td colspan="2" style="color:#f00;font-size:larger">@ViewBag.Status</td>

        </tr>

        <tr>

            <td align="right">User Name :</td>

            <td>@Html.TextBoxFor(m => m.UserName, new { @style = "width:200px", @id = "txtusername" })</td>

        </tr>

        <tr>
            <td align="right">User Password :</td>

            <td>@Html.PasswordFor(m => m.UserPassword, new { @style = "width:200px", @id = "txtuserpassword" })</td>

        </tr>

        <tr>

            <td colspan="2">

                <input type="submit" value="Login" title="login" onclick=" display();" />

            </td>

        </tr>

    </table>
}