Create ASP.NET Core MVC Project
On the Visual Studio, create new ASP.NET Core MVC Web Application project
Select Empty Template
Click Ok button to Finish
Add Configurations
Open Startup.cs file and add new configurations as below:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.DependencyInjection;
namespace LearnASPNETCoreMVCWithRealApps
{
public class Startup
{
public void ConfigureServices(IServiceCollection services)
{
services.AddMvc();
}
public void Configure(IApplicationBuilder app, IHostingEnvironment env)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
app.UseStaticFiles();
app.UseMvc(routes =>
{
routes.MapRoute(
name: "default",
template: "{controller=Account}/{action=Index}/{id?}");
});
}
}
}
Entities Class
Create new folder named Models. In Models folder, create new entities class as below:
Account Entity
Create new class named Account.cs as below:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
namespace LearnASPNETCoreMVCWithRealApps.Models
{
public class Account
{
public int Id { get; set; }
public string Username { get; set; }
public string Password { get; set; }
public string Description { get; set; }
public bool Status { get; set; }
public List<string> Languages { get; set; }
public string Gender { get; set; }
public string Role { get; set; }
}
}
Language Entity
Create new class named Language.cs as below:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
namespace LearnASPNETCoreMVCWithRealApps.Models
{
public class Language
{
public string Id { get; set; }
public string Name { get; set; }
public bool IsChecked { get; set; }
}
}
Role Entity
Create new class named Role.cs as below:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
namespace LearnASPNETCoreMVCWithRealApps.Models
{
public class Role
{
public string Id { get; set; }
public string Name { get; set; }
}
}
Create View Model
Create new folder named ViewModels, create new class named AccountViewModel.cs as below:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using LearnASPNETCoreMVCWithRealApps.Models;
using Microsoft.AspNetCore.Mvc.Rendering;
namespace LearnASPNETCoreMVCWithRealApps.ViewModels
{
public class AccountViewModel
{
public Account Account { get; set; }
public List<Language> Languages { get; set; }
public SelectList Roles { get; set; }
}
}
Create Controller
Create new folder named Controllers. In this folder, create new controller named AccountController.cs as below:
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using LearnASPNETCoreMVCWithRealApps.Models;
using LearnASPNETCoreMVCWithRealApps.ViewModels;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Configuration;
namespace LearnASPNETCoreMVCWithRealApps.Controllers
{
[Route("account")]
public class AccountController : Controller
{
[Route("")]
[Route("index")]
[Route("~/")]
public IActionResult Index()
{
var accountViewModel = new AccountViewModel();
accountViewModel.Account = new Account()
{
Id = 123,
Status = true,
Gender = "male"
};
accountViewModel.Languages = new List<Language>() {
new Language() { Id = "l1", Name = "Language 1", IsChecked = true },
new Language() { Id = "l2", Name = "Language 2", IsChecked = false },
new Language() { Id = "l3", Name = "Language 3", IsChecked = true },
new Language() { Id = "l4", Name = "Language 4", IsChecked = false },
new Language() { Id = "l5", Name = "Language 5", IsChecked = false }
};
var roles = new List<Role>() {
new Role { Id = "r1", Name = "Role 1" },
new Role { Id = "r2", Name = "Role 2" },
new Role { Id = "r3", Name = "Role 3" },
new Role { Id = "r4", Name = "Role 4" }
};
accountViewModel.Roles = new Microsoft.AspNetCore.Mvc.Rendering.SelectList(roles, "Id", "Name");
return View("Index", accountViewModel);
}
[Route("save")]
[HttpPost]
public IActionResult Save(AccountViewModel accountViewModel, List<Language> Languages)
{
accountViewModel.Account.Languages = new List<string>();
foreach (var language in Languages)
{
if (language.IsChecked)
{
accountViewModel.Account.Languages.Add(language.Id);
}
}
ViewBag.Account = accountViewModel.Account;
return View("Success");
}
}
}
Create View
Create new folder named Views. In this folder, create new folder named Account and add new razor views as below:
Index View
In Account folder, create new view named Index.cshtml as below:
@{
Layout = null;
}
@model LearnASPNETCoreMVCWithRealApps.ViewModels.AccountViewModel
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width" />
<title>Index</title>
</head>
<body>
<h3>Register Page</h3>
<form asp-controller="account" asp-action="save" method="post">
<table border="0" cellpadding="2" cellspacing="2">
<tr>
<td>Username</td>
<td>
<input asp-for="Account.Username" />
</td>
</tr>
<tr>
<td>Password</td>
<td>
<input type="password" asp-for="Account.Password" />
</td>
</tr>
<tr>
<td valign="top">Description</td>
<td>
<textarea cols="20" rows="5" asp-for="Account.Description"></textarea>
</td>
</tr>
<tr>
<td>Status</td>
<td>
<input type="checkbox" asp-for="Account.Status" />
</td>
</tr>
<tr>
<td valign="top">Gender</td>
<td>
<input type="radio" value="male" asp-for="Account.Gender" /> Male
<br />
<input type="radio" value="female" asp-for="Account.Gender" /> Female
</td>
</tr>
<tr>
<td>Languages</td>
<td>
@for (var i = 0; i < Model.Languages.Count; i++)
{
<input type="hidden" asp-for="@Model.Languages[i].Id" />
<input type="hidden" asp-for="@Model.Languages[i].Name" />
<input type="checkbox" asp-for="@Model.Languages[i].IsChecked" />
<label asp-for="@Model.Languages[i].Id">@Model.Languages[i].Name</label>
}
</td>
</tr>
<tr>
<td>Role</td>
<td>
<select asp-for="Account.Role" asp-items="@Model.Roles"></select>
</td>
</tr>
<tr>
<td> </td>
<td>
<input type="submit" value="Save" />
<input type="hidden" asp-for="Account.Id" />
</td>
</tr>
</table>
</form>
</body>
</html>
Success View
In Account folder, create new view named Success.cshtml as below:
@{
Layout = null;
}
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width" />
<title>Success</title>
</head>
<body>
<h3>Account Info</h3>
<table border="1" cellpadding="2" cellspacing="2">
<tr>
<td>Id</td>
<td>
@ViewBag.Account.Id
</td>
</tr>
<tr>
<td>Username</td>
<td>
@ViewBag.Account.Username
</td>
</tr>
<tr>
<td>Password</td>
<td>
@ViewBag.Account.Password
</td>
</tr>
<tr>
<td>Full Name</td>
<td>
@ViewBag.Account.Description
</td>
</tr>
<tr>
<td>Status</td>
<td>
@ViewBag.Account.Status
</td>
</tr>
<tr>
<td>Gender</td>
<td>
@ViewBag.Account.Gender
</td>
</tr>
<tr>
<td>Role</td>
<td>
@ViewBag.Account.Role
</td>
</tr>
<tr>
<td valign="top">Languages</td>
<td>
@foreach (var language in ViewBag.Account.Languages)
{
<span>@language</span>
<br />
}
</td>
</tr>
</table>
</body>
</html>
Create Razor View Imports
Select Views folder and right click to select Add\New Item Menu
Select Web\ASP.NET in left side. Select Razor View Imports item and click Add button to Finish
In _ViewImports.cshtml file and TagHelpers library as below:
@addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers
Structure of ASP.NET Core MVC Project
Run Application
Access Index action in Account controller with following url: http://localhost:48982
Output
Click Save button submit form to Save action in Account controller with following url: http://localhost:48982/account/save
Output
References
I recommend you refer to the books below to learn more about the knowledge in this article:
- Programming Microsoft ASP.NET 2.0 Core Reference
- Pro ASP.NET Core MVC
- Pro ASP.NET Core MVC 2
- .NET Core in Action
