Use asp.net core + ef core on vs2015, vs2015asp.net

Use asp.net core + ef core on vs2015, vs2015asp.net

Official Document https://docs.asp.net/en/latest/tutorials/first-mvc-app/start-mvc.html

Let's take a look at the implementation results.

 Before you start, make sure that the local machine has a. NET Core environment. Https://www.microsoft.com/net/core#windows

1. Create the file structure of the solution, for example, (the files that have been blurred are added by yourself and generated by ef ).

2. To use ef core, first reference the ef core related packages. Https://docs.efproject.net/en/latest/platforms/aspnetcore/existing-db.html

OpenProject. json,Microsoft. EntityFrameworkCore. SqlServer","Microsoft. EntityFrameworkCore. SqlServer. DesignAndMicrosoft. EntityFrameworkCore. Design"Add to"Dependencies";Microsoft. EntityFrameworkCore. Tools"Add to"Tools. (Note: Of course, all of these can be installed through NuGet. You must note that the"Microsoft. EntityFrameworkCore. Tools", Move it to"Tools)

3. OpenConnect to database, Set the database connection string

4. OpenPackage Management Console, And run the following command.-OutputDir ModelsPoint to the location where the generated file is storedModels

Scaffold-DbContext "Server = .; database = CoreDemo; Trusted_Connection = True; User ID = User connecting to the Database; Password = Password connecting to the Database; "Microsoft. entityFrameworkCore. sqlServer-OutputDir Models

 

5. OpenScaffold-DbContextGeneratedCoreDemoContext. csFile, removeOngrouping ingMethod

6. InCoreDemoContext. csAdd the following code

1 public CoreDemoContext(DbContextOptions<CoreDemoContext> option)2       : base(option)3 { }

7. OpenAppsettings. json, Add the following data connection configuration code

"ConnectionStrings": {"CoreDemoDatabase": "Server = .; database = CoreDemo; Trusted_Connection = True; User ID = User connecting to the Database; Password = Password connecting to the Database ;"}

8. OpenStartup. cs, ModifyConfigureServicesThe method is as follows:

1 public void ConfigureServices (IServiceCollection services) 2 {3 // Add framework services.4 services. addMvc (); 5 services. addDbContext <CoreDemoContext> (option => option. useSqlServer (Configuration. getConnectionString ("CoreDemoDatabase"); // get SQL connection configuration 6}

9. Add a new Controller --UserController

 1     public class UserController : Controller 2     { 3         private CoreDemoContext _context; 4  5         public UserController(CoreDemoContext context) 6         { 7             _context = context; 8         } 9 10         // GET: /<controller>/11         public IActionResult Index()12         {13             var users = (from u in _context.TUsers14                          select u).ToList();15             return View(users);16         }17 18         public IActionResult Create()19         {20             return View();21         }22 23         [HttpPost]24         [ValidateAntiForgeryToken]25         public async Task<IActionResult> Create(UserViewModel model)26         {27             if (!ModelState.IsValid)28             {29                 return View(model);30             }31 32             TUsers user = new TUsers()33             {34                 Name = model.Name35             };36             _context.TUsers.Add(user);37             int result = await _context.SaveChangesAsync();38             return RedirectToAction("Index");39         }40     }

10. CreateIndexView andCreateView

1 @ model IEnumerable <TUsers> 2 3 @ {4 ViewBag. title = "User List "; 5} 6 7 
1 @ model WebDemo. models. userViewModel 2 3 @ {4 ViewBag. title = "new user "; 5} 6 7 
11. In this step, you can directly run the projectVs start, You can alsoCmdUse"Dotnet run"

 
Reprinted please mark the original address: http://www.cnblogs.com/JasonLong/p/5653273.html