Converting a asp net mvc 3 project to mvc 4

Introduction

Converting an ASP.NET MVC 3 project to MVC 4 can be a challenging task, but with the right and understanding of the differences between the two versions, it can be accomplished successfully. In this article, we will explore the steps involved in converting an ASP.NET MVC 3 project to MVC 4, along with some examples to illustrate the process.

Step 1: Update the Target Framework

The first step in converting an ASP.NET MVC 3 project to MVC 4 is to update the target framework. In the project properties, navigate to the Application tab and change the Target Framework to .NET Framework 4.5 or later. This will ensure with MVC 4.



  4.5

Step 2: Update NuGet

Next, update the NuGet packages used in the project to their versions. This can be done by right-clicking on the project in Visual Studio and selecting “Manage NuGet Packages”. Update all the packages to their latest versions to ensure compatibility with MVC 4.

Step 3: Update Web.config

Update the Web.config file to include the necessary for MVC 4. This includes adding or modifying the sections:

.Web

Update the System.Web section to include the following:



  
    
      
    
  
  

System.Web.Mvc

Add or modify the System.Web.Mvc section as follows:



  
  
    
      
      
      
      
    
  

Step 4: Update Global.asax

Update the Global.asax file to include the necessary changes for MVC 4. This includes modifying the Application_Start method as follows:


protected void Application_Start()
{
    AreaRegistration.RegisterAllAreas();
    FilterConfig.RegisterGlobalFilters(GlobalFilters.);
    RouteConfig.RegisterRoutes(RouteTable.Routes);
    BundleConfig.RegisterBundles(BundleTable.);
}

Step 5: Update Views and Controllers

Finally, update the Views and Controllers in the project to use the new features and syntax introduced in MVC 4. This may include updating the syntax, using new HTML helpers, or modifying the routing configuration.


@model MyProject.Models.MyModel

@Model.Title

@Model.Description

Conclusion

Converting an ASP.NET MVC 3 project to MVC 4 requires updating the target framework, NuGet packages, Web.config, Global.asax, and the Views and Controllers. By following the steps outlined in this article and making the necessary changes, you can successfully convert your project to MVC 4 and take advantage of the new features and improvements it offers.

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