I’m building a .NET Core MVC on the latest version 2.2. I have a problem when I make changes to the CSHTML file and refresh the page, my changes are not reflected in the browser. I have to restart the project in order to see my changes. This has been happening for a while now … Read more
I need some help with the select tag helper in ASP.NET Core. I have a list of employees that I’m trying to bind to a select tag helper. My employees are in a List<Employee> EmployeesList and selected value will go into EmployeeId property. My view model looks like this: public class MyViewModel { public int … Read more
I’ve done this before with MVC5 using User.Identity.GetUserId() but that doesn’t seem to work here. The User.Identity doesn’t have the GetUserId() method. I am using Microsoft.AspNet.Identity. 20 Answers 20
Back in RC1, I would do this: [HttpPost] public IActionResult Post([FromBody]string something) { try{ // … } catch(Exception e) { return new HttpStatusCodeResult((int)HttpStatusCode.InternalServerError); } } In RC2, there no longer is HttpStatusCodeResult, and there is nothing I can find that lets me return a 500 type of IActionResult. Is the approach now entirely different for … Read more
Sending a form POST HTTP request (Content-Type: application/x-www-form-urlencoded) to the below controller results into a HTTP 415 Unsupported Media Type response. public class MyController : Controller { [HttpPost] public async Task<IActionResult> Submit([FromBody] MyModel model) { //… } } Form post HTTP headers: POST /submit HTTP/1.1 Host: example.com:1337 Connection: keep-alive Content-Length: 219 Pragma: no-cache Cache-Control: no-cache … Read more
Not sure what am I missing here but I am not able to get the values from my appsettings.json in my .net core application. I have my appsettings.json as: { “AppSettings”: { “Version”: “One” } } Startup: public class Startup { private IConfigurationRoot _configuration; public Startup(IHostingEnvironment env) { _configuration = new ConfigurationBuilder() } public void … Read more
In appsettings.json { “MyArray”: [ “str1”, “str2”, “str3” ] } In Startup.cs public void ConfigureServices(IServiceCollection services) { services.AddSingleton<IConfiguration>(Configuration); } In HomeController public class HomeController : Controller { private readonly IConfiguration _config; public HomeController(IConfiguration config) { this._config = config; } public IActionResult Index() { return Json(_config.GetSection(“MyArray”)); } } There are my codes above, I got null … Read more
How do I get the Development/Staging/production Hosting Environment in the ConfigureServices method in Startup? public void ConfigureServices(IServiceCollection services) { // Which environment are we running under? } The ConfigureServices method only takes a single IServiceCollection parameter. 15 Answers 15
Can you please let me know how to get client IP address in ASP.NET when using MVC 6. Request.ServerVariables[“REMOTE_ADDR”] does not work. 22 Answers 22
I created an .NET Core MVC application and use Dependency Injection and Repository Pattern to inject a repository to my controller. However, I am getting an error: InvalidOperationException: Unable to resolve service for type ‘WebApplication1.Data.BloggerRepository’ while attempting to activate ‘WebApplication1.Controllers.BlogController’. Model (Blog.cs) namespace WebApplication1.Models { public class Blog { public int BlogId { get; set; … Read more
