关于鼠标悬停的部分视图负载

Question

想要实现这个目标 请帮帮我？

但我收到此错误

The model item passed into the dictionary is of type 'demo4.Models.SignUp', but this dictionary requires a model item of type 'demo4.Models.Login'.
login Model
public class Login
    {
        [Required]
        public string UserName { get; set; }
        [Required]
        public string Password { get; set; }
    }

SignUp模型     公共登录_logindetails;             [需要]             public string FirstName {get;组; }             [需要]             public string LastName {get;组; }             [需要]             public string Email {get;组; }             [需要]             public string UserName {get;组; }             [需要]             public string密码{get;组; }     SignUp控制器      公共ActionResult索引（）             {                 demo4.Models.SignUp obj = new Models.SignUp（）;                 return View（obj）;             } 注册index.cs.html页面

 @model demo4.Models.SignUp

@{
    ViewBag.Title = "Index";
}

<h2>Index</h2>
<script src="~/Scripts/jquery-1.7.1.js"></script>
<script type="text/javascript">
    $(document).ready(function () {
        $('#testdivopen').toggle(
         function () {
             $('#PartialView').css("display", "block");
         }
        ,
        function () {
            $('#PartialView').css("display", "block");
        }
        );
    });


</script>
<h2>Index</h2>
<div><a id="testdivopen" href="#"></a></div>
<div id="PartialView">
    @Html.Partial("_signin", Model._logindetails)
</div>
<div id="signupview" style="display: none;">

    @Html.TextBoxFor(m => m.FirstName);
    @Html.TextBoxFor(m => m.LastName);
    @Html.TextBoxFor(m => m.Email);
    @Html.TextBoxFor(m => m.UserName);
</div>
_signin page
@model demo4.Models.Login
<div>

    @Html.TextBoxFor(m => m.UserName);
    @Html.TextBoxFor(m => m.Password);
</div>