Asp.net mvc validation côté client ne fonctionne pas?

Pour une raison quelconque, mon la validation côté client ne semble pas fonctionner:

Voici mon code html:

@using (Html.BeginForm("Create", "Home", FormMethod.Post))
{
<hr />
@Html.ValidationSummary(true)
<hr />
<p>
<label>Select Client_ID: </label>
<span class="field">
<select name="clientId" id="clientId">
@foreach (var item in Model.ClientId)
{
<option value="@item">@item</option>
}
</select>
</span>
</p>
<p>
<label>@Html.LabelFor(model => model.UserModel.name)</label>
<span class="field">
@Html.EditorFor(model => model.UserModel.name)
</span>
@Html.ValidationMessageFor(model => model.UserModel.name)
</p>
<p>
<label>@Html.LabelFor(model => model.UserModel.password)</label>
<span class="field">
@*<input name="password" id="password" type="password" />*@
@Html.EditorFor(model => model.UserModel.password)
</span>
@Html.ValidationMessageFor(model => model.UserModel.password)
</p>
<p>
<label>@Html.LabelFor(model => model.UserModel.email)</label>
<span class="field">
@*<input name="email" id="email" type="email" />*@
@Html.EditorFor(model => model.UserModel.email)
</span>
@Html.ValidationMessageFor(model => model.UserModel.email)
</p>
<p>
<label>Select: </label>
<span class="field">
<select name="accessLevel" id="accessLevel">
<option value="3">Company</option>
<option value="5">End-User</option>
</select>
</span>
</p>
<input type="submit" value="Submit" />

Voici mon modèle:

 public class CreateUserModel
{
[Required]
[Display(Name = "Client_ID")]
public string clientId { get; set; }
[Required(ErrorMessage = "A name is required")]
[MaxLength(20), MinLength(2, ErrorMessage = "Name must be 2 character or more")]
[Display(Name = "Name")]
public string name { get; set; }
[Display(Name = "Email Address")]
[Required(ErrorMessage = "Email is Required")]
[RegularExpression(@"^([a-zA-Z0-9_\-\.]+)@((\[[0-9]{1,3}" +
@"\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\" +
@".)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$",
ErrorMessage = "Email is not valid")]
public string email { get; set; }
[Required]
[MaxLength(20), MinLength(6, ErrorMessage = "Password Must be 6 or more chataters long")]
[Display(Name = "Password")]
public string password { get; set; }
[Required]
public int accessLevel { get; set; }
}

et j'ai, côté client activé dans le webconfig:

 <appSettings>
<add key="webpages:Version" value="3.0.0.0" />
<add key="webpages:Enabled" value="false" />
<add key="ClientValidationEnabled" value="true" />
<add key="UnobtrusiveJavaScriptEnabled" value="true" />

{EDIT} ajoutée rendu html

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Home Page - My ASP.NET Application</title>
<link href="/Content/bootstrap.css" rel="stylesheet"/>
<link href="/Content/site.css" rel="stylesheet"/>
<script src="/Scripts/modernizr-2.6.2.js"></script>
</head>
<body>
<script src="/Scripts/jquery.validate.js"></script>
<div class="jumbotron">
<h1>Add Users to the website</h1>
</div>
<form action="/Home/Create" method="post">    <hr />
<hr />
<p>
<label for="UserModel_name">Name</label>
<span class="field">
<input type="text" name="name" />
</span>
<span class="field-validation-valid" data-valmsg-for="UserModel.name" data-valmsg-replace="true"></span>
</p>
<p>
<label for="UserModel_password">Password</label>
<span class="field">
<input name="password" id="password" type="password" />
</span>
<span class="field-validation-valid" data-valmsg-for="UserModel.password" data-valmsg-replace="true"></span>
</p>
<p>
<label for="UserModel_email">Email Address</label>
<span class="field">
<input name="email" id="email" type="email" />
</span>
<span class="field-validation-valid" data-valmsg-for="UserModel.email" data-valmsg-replace="true"></span>
</p>
<p>
<label>Select: </label>
<span class="field">
<select name="accessLevel" id="accessLevel">
<option value="3">Company</option>
<option value="5">End-User</option>
</select>
</span>
</p>
<input type="submit" value="Submit" />
</form>
<hr />
<footer>
<p>&copy; 2014 - My ASP.NET Application</p>
</footer>
</div>
<script src="/Scripts/jquery-2.1.0.js"></script>
<script src="/Scripts/bootstrap.js"></script>

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