Single
Page Application means, more than one view are partially render on the single master view, this concept is known as SinglePage Application.
Single
Page Application concept is use to developing to small applications not more
complex applications.
Index.cshtml
@model Mvc4SinglePageApplication.Models.LoginModel
@{
ViewBag.Title = "My Todo List";
}
@functions{
public string GetAntiForgeryToken()
{
string cookieToken, formToken;
AntiForgery.GetTokens(null, out cookieToken, out formToken);
return cookieToken + ":" + formToken;
}
}
<header>
<h1>@ViewBag.Title</h1>
</header>
<div id="main-content">
@if (@User.Identity.IsAuthenticated)
{
<p class="error" data-bind="text: error"></p>
<input id="antiForgeryToken" type="hidden" value="@GetAntiForgeryToken()" />
<button data-bind="click: addTodoList">Add Todo list</button>
<section id="lists" data-bind="foreach: todoLists, visible: todoLists().length > 0">
<article class="todoList">
<header>
<form data-bind="validate: true">
<input class="required" data-bind="value: title, selected: isEditingListTitle, blurOnEnter: true" />
</form>
</header>
<a href="#" class="deletelist" data-bind="click: $parent.deleteTodoList">X</a>
<ul data-bind="foreach: todos">
<li>
<input type="checkbox" data-bind="checked: isDone" />
<input class="todoItemInput" type="text" data-bind="value: title, disable: isDone, blurOnEnter: true" />
<a href="#" data-bind="click: $parent.deleteTodo">X</a>
<p class="error" data-bind="visible: errorMessage, text: errorMessage"></p>
</li>
</ul>
<form data-bind="submit: addTodo">
<input class="addTodo" type="text" data-bind="value: newTodoTitle, placeholder: 'Type here to add', blurOnEnter: true, event: { blur: addTodo }" />
</form>
<p class="error" data-bind="visible: errorMessage, text: errorMessage"></p>
</article>
</section>
}
else
{
<div class="todoList" id="loginPanel">
<section id="localLoginPanel">
<h2>Log in</h2>
@Html.Partial("_Login")
</section>
<section id="socialLoginPanel">
<h2>Log in using another service</h2>
@Html.Action("ExternalLoginsList", "Account", new { ReturnUrl = ViewBag.ReturnUrl })
</section>
<p>First time here? <a id="showRegister">Sign up</a></p>
</div>
<div class="todoList" id="registerPanel">
<h2>Sign up</h2>
@Html.Partial("_Register")
<p>Already signed up? <a id="showLogin">Log in</a></p>
</div>
}
</div>
@if (@User.Identity.IsAuthenticated)
{
@section scripts {
@Scripts.Render("~/bundles/knockout")
@Scripts.Render("~/bundles/jqueryval")
@Scripts.Render("~/bundles/todo")
}
}
Index Controllers code
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
namespace Mvc4SinglePageApplication.Controllers
{
public class HomeController : Controller
{
public ActionResult Index(string returnUrl)
{
ViewBag.ReturnUrl = returnUrl;
return View();
}
}
}
Login Controllers code
using System;
using System.Collections.Generic;
using System.Linq;
using System.Transactions;
using System.Web.Mvc;
using System.Web.Security;
using DotNetOpenAuth.AspNet;
using Microsoft.Web.WebPages.OAuth;
using WebMatrix.WebData;
using Mvc4SinglePageApplication.Filters;
using Mvc4SinglePageApplication.Models;
namespace Mvc4SinglePageApplication.Controllers
{
[Authorize]
[InitializeSimpleMembership]
public class AccountController : Controller
{
[AllowAnonymous]
[HttpPost]
public JsonResult JsonLogin(LoginModel model, string returnUrl)
{
if (ModelState.IsValid)
{
if (WebSecurity.Login(model.UserName, model.Password, persistCookie: model.RememberMe))
{
FormsAuthentication.SetAuthCookie(model.UserName, model.RememberMe);
return Json(new { success = true, redirect = returnUrl });
}
else
{
ModelState.AddModelError("", "The user name or password provided is incorrect.");
}
}
// If we got this far, something failed
return Json(new { errors = GetErrorsFromModelState() });
}
}
}
Register Controllers code
[HttpPost]
[AllowAnonymous]
[ValidateAntiForgeryToken]
public ActionResult JsonRegister(RegisterModel model, string returnUrl)
{
if (ModelState.IsValid)
{
// Attempt to register the user
try
{
WebSecurity.CreateUserAndAccount(model.UserName, model.Password);
WebSecurity.Login(model.UserName, model.Password);
InitiateDatabaseForNewUser(model.UserName);
FormsAuthentication.SetAuthCookie(model.UserName, createPersistentCookie: false);
return Json(new { success = true, redirect = returnUrl });
}
catch (MembershipCreateUserException e)
{
ModelState.AddModelError("", ErrorCodeToString(e.StatusCode));
}
}
// If we got this far, something failed
return Json(new { errors = GetErrorsFromModelState() });
}
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