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Today, we will explain you about how to create and update cookie in ASP.NET MVC. An HTTP cookie (also called web cookie, Internet cookie, browser cookie or simply cookie), is a small piece of data sent from a website and stored in the user's web browser while the user is browsing. Every time the user loads the website, the browser sends the cookie back to the server to notify the user's previous activity. Cookies were designed to be a reliable mechanism for websites to remember stateful information (such as items added in the shopping cart in an online store) or to record the user's browsing activity (including clicking particular buttons, logging in, or recording which pages were visited in the past). Cookies can also store passwords and form content a user has previously entered, such as a credit card number or an address.

The output of the index.aspx runs over the Home Controller:
public ActionResult Index()
    {
        ViewData["Message"] = "Welcome to ASP.NET MVC!";
        string cookie = "There is no cookie!";
        if(this.ControllerContext.HttpContext.Request.Cookies.AllKeys.Contains("Cookie"))
        {
            cookie = "Yeah - Cookie: " + this.ControllerContext.HttpContext.Request.Cookies["Cookie"].Value;
        }
        ViewData["Cookie"] = cookie;
        return View();
    }

Here it is detected if a cookie exists and if yes than it will be out given.
These two Links guide you to the CookieController:
public class CookieController : Controller
{

    public ActionResult Create()
    {
        HttpCookie cookie = new HttpCookie("Cookie");
        cookie.Value = "Hello Cookie! CreatedOn: " + DateTime.Now.ToShortTimeString();

        this.ControllerContext.HttpContext.Response.Cookies.Add(cookie);
        return RedirectToAction("Index", "Home");
    }

    public ActionResult Remove()
    {
        if (this.ControllerContext.HttpContext.Request.Cookies.AllKeys.Contains("Cookie"))
        {
            HttpCookie cookie = this.ControllerContext.HttpContext.Request.Cookies["Cookie"];
            cookie.Expires = DateTime.Now.AddDays(-1);
            this.ControllerContext.HttpContext.Response.Cookies.Add(cookie);
        }
        return RedirectToAction("Index", "Home");
    }

}

With the create method it´s quite simple to create a Cookie and lay it down into the response and afterwards it turns back to the Index View.

The remove method controls if a cookie exists and if the answer is positive the Cookie will be deleted directly.

Beware while deleting cookies:
This way to delete a cookie doesn´t work:
this.ControllerContext.HttpContext.Response.Cookies.Clear();

The cookie has to go back to the remove (like it is given in the Cookie Controller) and an expiry date should be given. I´m going to set it on yesterday so the browser has to refuse it directly.

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I'm simply getting to grips with MVC linq etc and came across what sounds like a standard stumbling block. All the tutorials are either Code first examples or they create the information from scratch within the App_Data directory. All well and smart for a tutorial that require to be simply moveable to the readers computer, however not very useful when putting in a full scale MVC application. My first problem was my lack of knowledge of Linq to SQL. Finally, how to add an external SQL database to your MVC project:

• Right click on "Models" folder, choose "Add New Item"
• Add a "Link to SQL Classes" item
• Open your "Server Explorer" pane (if you cant see it attempt "View" on the menu bar and "Server Explorer"
• Right click on "Data Connections" and choose "Add Connection"
• Follow the instructions.
• almost there....
• Expand your newly added database to look at the tables.
• Drag the tables you wish over to the main pane of the "Link to SQL Classes" item you added at the start.
• Hey presto, you have a database context you'll run Linq queries against.

Please bear in mind you will need to use the "Models" namespace to reference you database context objects.
And now back to highly sophisticated programming!

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HTTP methods are not often thought about once writing ASP.NET webforms applications. Links are GETs, buttons are POSTs and it all happens automatically. With Asp.NET MVC, and other MVC frameworks like Rails, the http method used is more obvious and developers are begining to care about which they use.

The problem is that GET requests tell visitors to your site, together with search engines, client-side web optimizers and other automatic tools, that it's safe to make the request. Which is a problem if your checkout button causes a GET. To quote Dave Thomas, paraphrasing Tim Berners-Lee, "Use GET requests to retrieve info from the server, and use POST requests to request a change of state on the server".

To help me correctly control which HTTP methods are used to access my controller actions I created an ActionFilterAttribute. ActionFilters provide a declarative way to access the executing context immediately prior to, and immediately following, the execution of an action. they're an excellent way to introduce aspect oriented programming to an asp.net mvc application. To use my action filter you attribute a controller action like this:
AllowedHttpMethods(AllowedMethods= new HttpMethods[] {HttpMethods.POST})]
public void Save()
{ ... }

The code for the Action Filter inherits from ActionFilterAttribute and overrides the OnActionExecuting event.
public class AllowedHttpMethodsAttribute : ActionFilterAttribute
    {
        public HttpMethods[] AllowedMethods { get; set; }

        public override void OnActionExecuting(FilterExecutingContext filterContext)
        {
            int count = AllowedMethods.Count(m => m.ToString().Equals(filterContext.HttpContext.Request.HttpMethod));
            if (count == 0) throw new Exception("Invalid http method: " + filterContext.HttpContext.Request.HttpMethod);
        }
    }

    public enum HttpMethods
    {
        GET,POST
    }

By adding the AllowedHttpMethods attribute to all of my controller actions I can assure that http methods are used correctly.

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I have been operating with ASP.NET MVC for some time and yet I still had trouble making an attempt to get a URL in a view. URL generation is particularly important for ASP.NET MVC as a result of it uses a routing engine to map URLs to code. If we hard code a URL then we lose the ability to later vary our routing scheme. I have found 2 ways that currently (ASP.NET MVC preview 2) work to generate URLs in a view. the first uses the GetVirtualPath method and seems overly complicated - thus I wrapped it in a global helper:

public static string GenerateUrl(HttpContext context, RouteValueDictionary routeValues)
    {
        return RouteTable.Routes.GetVirtualPath(
            new RequestContext(new HttpContextWrapper2(context), new RouteData()),
            routeValues).ToString();
    }

But then I found that I could achieve a similar result additional simply using UrlHelper, accessible via the URL property of the view.
// link to a controller
Url.Action("Home");

// link to an action
Url.Action("Home", "Index");

// link to an action and send parameters
Url.Action("Edit", "Product", new RouteValueDictionary(new { id = p.Id }));

Or, if you want the url for a hyperlink you can get that in one step using the ActionLink method on the Html property:
Html.ActionLink<HomeController>(c => c.Index(),"Home")

So I no longer see a need for my GenerateUrl method and have removed it from my helper. All of this would be much easier if there was some documentation. Im sure there is a better way so if you can think of an improvement please leave it in the comments.

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There is something great included in ASP.NET MVC 5 that looks underutilized except by the ASP.NET MVC team. the rest of us seem to be ignoring it, that is apparent when gazing the solutions on StackOverflow (and blogs) for questions like “how do i use roles with ASP.NET MVC 5?” once I check out how identity is implemented in mvc, what stands out is that the dependency injection. And, that dependency injection seems to be missing in the answers to how to implement roles. Dependency is a great tool, it’s built into the OWIN implementation, so why not use it?

To implement the role manager in MVC 5, look for a file in App_Start called IdentityConfig.cs. If you don’t have this file, look for the file that contains the implementation of your ApplicationUserManager (derived from UserManager) and ApplicationSignInManager (derived from SignInManager). At the bottom of that file, within the namespace, add the subsequent class definition:
public class ApplicationRoleManager : RoleManager<IdentityRole>
{
public ApplicationRoleManager(IRoleStore<IdentityRole, string> store) : base(store)
{
}

public static ApplicationRoleManager Create(IdentityFactoryOptions<ApplicationRoleManager> options, IOwinContext context)
{
    var roleStore = new RoleStore<IdentityRole>(context.Get<AuthenticationDbContext>());
    return new ApplicationRoleManager(roleStore);
}
}

There are a couple of prototypes for the produce method. during this case, I needed to urge the database context from the OWIN context, so I used the more elaborate overload. If you don’t want to do that, you can use the Create(Func&lt;T&gt;) overload, which doesn’t take any parameters.  Now, to make sure OWIN knows about your ApplicationRoleManager class, go the ConfigureAuth method in your Startup partial class implementation in Startup.Auth.cs (also in App_Start).  Or, you'll also put what I’m getting ready to show you in the Configuration method of the OWIN startup class. This class is sometimes called Startup.cs and you’ll find it in the same directory as the root web.config.
public void ConfigureAuth(IAppBuilder app)
{
   // Configure the db context, user manager and signin manager to use a single instance per request
   app.CreatePerOwinContext(AuthenticationDbContext.Create);
   app.CreatePerOwinContext<ApplicationUserManager>(ApplicationUserManager.Create);
   app.CreatePerOwinContext<ApplicationSignInManager>(ApplicationSignInManager.Create);
   app.CreatePerOwinContext<ApplicationRoleManager>(ApplicationRoleManager.Create);
   …
}

See how I just stuck that line for ApplicationRoleManager there next to the other authentication delegate registrations?  Now, we can just inject the role manager right into the AccountController or whatever other controller we need.
public AccountController(
    SendMailManager emailManager,
    ApplicationUserManager userManager,
    ApplicationSignInManager signInManager,
    ApplicationRoleManager roleManager)
{
    this.MailManager = emailManager;
    this.RoleManager = roleManager;
    this.SignInManager = signInManager;
    this.UserManager = userManager;
}

As you can see, I have already used the dependency injection to insert my own mail manager. AccountController should already be set up with this kind of structure. If it’s not, though, simply changing your constructor to look like this will cause MVC to inject those dependencies into your controller. Then, all you have to do is create a property to hold that ApplicationRoleManager thing and you’re all set!
private ApplicationRoleManager roleManager;
public ApplicationRoleManager RoleManager
{
    get
    {
        return this.roleManager ?? HttpContext.GetOwinContext().Get<ApplicationRoleManager>();
    }
    private set { this.roleManager = value; }
}

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Now, we will discussed about Moving Your Data From ListBox to other ListBox with JQuery in ASP.NET MVC. A list box is a graphical control element that allows the user to select one or more items from a list contained within a static, multiple line text box. First step, write the following code:
namespace Mvc2.Controllers
{
public class MovieController : Controller
{
    public ActionResult MoveDateinListBox()
  {
      return View();
  }
  }
}

In View
<asp:Content ID="Content1" ContentPlaceHolderID="TitleContent" runat="server">
MoveDateinListBox
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server">
<h5>
    MVC:How to Move data between two ListBoxes using JQuery</h5>
<script language="javascript" type="text/javascript" src="http://code.jquery.com/jquery-1.4.1.min.js"></script>
<script language="javascript" type="text/javascript">
    $(function () {
        $("#MoveToRight,#MoveToLeft").click(function (event) {
            var id = $(event.target).attr("id");
            var selectFrom = id == "MoveToRight" ? "#SelectLeftItem" : "#SelectRightItem";
            var moveTo = id == "MoveToRight" ? "#SelectRightItem" : "#SelectLeftItem";
            var selectedItems = $(selectFrom + " option:selected").toArray();
            $(moveTo).append(selectedItems);
            selectedItems.remove;
        });
    });
</script>
<form method="get" action="" runat="server">
 <select id="SelectLeftItem" multiple="multiple" style="height: 100px">
    <option value="1">ASP.NET</option>
    <option value="2">C#.NET</option>
    <option value="3">SQL Server</option>
    <option value="4">VB.NET</option>
</select>
<input id="MoveToRight" type="button" value=" >> " style="font-weight: bold" />
<input id="MoveToLeft" type="button" value=" << " style="font-weight: bold" />
<select id="SelectRightItem" multiple="multiple" style="height: 100px">
    <option value="1">MVC</option>
    <option value="2">WCF</option>
    <option value="3">WPF</option>
    <option value="4">Silverlight</option>
</select>
</form>
</asp:Content>

And here is the output:

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In this tutorial, let me explain you how to use Dapper.NET ORM in ASP.NET MVC 6. Dapper is a simple object mapper for .NET. Dapper is a file you can drop in to your project that will extend your IDbConnection interface. A key feature of dapper is performance. the subsequent metrics show how long it takes to execute five hundred select statements against a db and map the data returned to objects.

Now,  Install dapper using Nuget Package Manager
PM> Install-Package Dapper

After that, Create a project in ASP.NET MVC and then Add a folder named Dapper inside it as you can see on the following picture:

Next step: Create User and Address classes
public class Address
{
public int AddressID { get; set; }
public int UserID { get; set; }
public string AddressType { get; set; }
public string StreetAddress { get; set; }
public string City { get; set; }
public string State { get; set; }
public string ZipCode { get; set; }
}

public class User
{
public User()
{
this.Address = new List<Address>();
}

public int UserID { get; set; }

public string FirstName { get; set; }

public string LastName { get; set; }

public string Email { get; set; }

public List<Address> Address { get; set; }
}

Now Create IUserRepository.cs interface  and UserRepository.cs classes for data access.
public interface IUserRepository
{
List < User > GetAll();
User Find(int id);
User Add(User user);
User Update(User user);
void Remove(int id);
User GetUserInformatiom(int id);
}
public class UserRepository : IUserRepository
{
private IDbConnection _db = new SqlConnection(ConfigurationManager.ConnectionStrings["DefaultConnection"].ConnectionString);
public List<User> GetAll()
{
return this._db.Query<User>("SELECT * FROM Users").ToList();
}

public User Find(int id)
{
return this._db.Query<User>("SELECT * FROM Users WHERE UserID = @UserID", new { id }).SingleOrDefault();
}

public User Add(User user)
{
var sqlQuery = "INSERT INTO Users (FirstName, LastName, Email) VALUES(@FirstName, @LastName, @Email); " + "SELECT CAST(SCOPE_IDENTITY() as int)";
var userId = this._db.Query<int>(sqlQuery, user).Single();
user.UserID = userId;
return user;
}
public User Update(User user)
{
var sqlQuery =
    "UPDATE Users " +
    "SET FirstName = @FirstName, " +
    "    LastName  = @LastName, " +
    "    Email     = @Email " +
    "WHERE UserID = @UserID";
this._db.Execute(sqlQuery, user);
return user;
}

public void Remove(int id)
{
throw new NotImplementedException();
}

public User GetUserInformatiom(int id)
{
using (var multipleResults = this._db.QueryMultiple("GetUserByID", new { Id = id }, commandType: CommandType.StoredProcedure))
{
    var user = multipleResults.Read<User>().SingleOrDefault();

    var addresses = multipleResults.Read<Address>().ToList();
    if (user != null && addresses != null)
    {
        user.Address.AddRange(addresses);
    }

    return user;
}
}
}

Now use the above repository in the HomeController.cs
Create an instance for UserRepository class
private IUserRepository _repository = new UserRepository();

For Get All User write the following code:
public ActionResult Index()
{
return View(_repository.GetAll());
}

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Today, I will show you how to creat Multi-Select Dropdown With Checkbox in ASP.NET MVC.
1. MVC set Viewdata in controller inside save get method using foreach loop.

2. Within view write foreach loop for multiselect dropdown with checkboxlist. And now, write the following code:
<div id="divStudentlist" style="height: 100px; overflow: auto; border: solid; width: 150px;"> 
@foreach (var items in ViewData["Items"] as List 
<SelectListItem>) { 
    <table width="100%"> 
    <tr> 
        <td width="20px"> 
            <input type="checkbox" value="@items.Value" class="chkclass" /> 
        </td> 
        <td width="100px"> 
            @items.Text 
        </td> 
    </tr> 
    </table> 
    } 
</div> 

3. Now the question arises, how will you send your chosen items values to controller as a result of once you get the values into the controller, you'll be able to do something like save into database. therefore let’s perceive the subsequent jQuery code. Before that, you must place @Html.Hidden("idlist") within Ajax.BeginForm and currently write jQuery code as you can see below:
var idslist = ""; 
$("input:checkbox[class=chkclass]").each(function() { 
if ($(this).is(":checked")) { 
    var userid = $(this).attr("value"); 
    idslist = idslist + userid + ','; 
} 
}); 
$("#idlist").val(idslist); 

4. Inside controller add/save post technique ought to have the subsequent parameter: (FormCollection frm) and then write the subsequent c# code:
string[] i1; 
string items = frm["idlist"]; 
if (items != null) { 
i1 = items.Split(new [] { 
    "," 
}, StringSplitOptions.RemoveEmptyEntries); 
for (int i = 0; i < i1.Length; i++) { 
    string s = i1[i]; /*Inside string type s variable should contain items values */ 
} 
} 

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ASP.NET is Microsoft's dynamic website technology, enabling developers to create data-driven websites using the .NET platform and the latest version is 5 with lots of awesome features. ASP.NET 4.6 is a lean .NET stack for building modern web apps. Microsoft built it from the ground up to provide an optimized development framework for apps that are either deployed to the cloud or run on-premises. It consists of modular components with minimal overhead.

According to Microsoft officials, With the .NET Framework 4.6, you'll enjoy better performance with the new 64-bit "RyuJIT" JIT and high DPI support for WPF and Windows Forms. ASP.NET provides HTTP/2 support when running on Windows 10 and has more async task-returning APIs. There are also major updates in Visual Studio 2015 for .NET developers, many of which are built on top of the new Roslyn compiler framework. The .NET languages -- C# 6, F# 4, VB 14 -- have been updated, too.There are many great features in the .NET Framework 4.6. Some of these features, like RyuJIT and the latest GC updates, can provide improvements by just installing the .NET Framework 4.6.

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