What is the reason to unable to call/invoke my asp.net core 6 api?

Question

What is the reason to unable to call/invoke my asp.net core 6 api?

mehmood tekfirst 771

I have created one rest api in asp.net mvc core 6 but this is not being invoked through postman or even from browser.

This is my service.

	[ApiController]  
    [Route("api/[controller]")]  
    public class RentalController : ControllerBase  
    {  
        private readonly IGMManager _gmManager;  
  
        private static readonly string[] Summaries = new[]  
        {  
        "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"  
        };  
  
        private readonly ILogger<CarRentalController> _logger;  
  
        public RentalController(ILogger<CarRentalController> logger)  
        {  
            _logger = logger;  
            _gmManager = new GMManager();  
        }  
  
  
        [HttpGet("inquiries")]  
        public async Task<ActionResult<List<WebInquiry>>> Inquiries()  
        {  
           List<WebInquiry> items =  await Task.Run(() =>  
            {  
                List<WebInquiry> items = _gmManager.WebInquiry(null);  
                return items;  
  
            });  
            return items;  
        }        
    }  
}

and I am trying to invoke it as mentioned below

https://localhost:7260/api/inquiries

I am receiving such responses

and this is the dotnet cli build response when I executed the application.

info: Microsoft.Hosting.Lifetime[14]  
      Now listening on: https://localhost:7260  
info: Microsoft.Hosting.Lifetime[14]  
      Now listening on: http://localhost:5260  
info: Microsoft.Hosting.Lifetime[0]  
      Application started. Press Ctrl+C to shut down.  
info: Microsoft.Hosting.Lifetime[0]  
      Hosting environment: Development  
info: Microsoft.Hosting.Lifetime[0]

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Answer 1

Anonymous

Hi @mehmood tekfirst

[ApiController]

 [Route("api/[controller]")]  
 public class RentalController : ControllerBase  
 {  
      ...  
     [HttpGet("inquiries")]  
     public async Task<ActionResult<List<WebInquiry>>> Inquiries()  
     {

Since you are using [HttpGet("inquiries")], the request URL should be https://localhost:7260/api/Rental/inquiries.

More detail information, see Route templates.

If the above request URL still not working, can you share the program.cs file content?

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Best regards,
Dillion

mehmood tekfirst 771

Thank you Now I am getting the CORS errors.
(RentalWidget.Web) contains CORS metadata, but a middleware was not found that supports CORS. Configure your application startup by adding app.UseCors() in the application startup code

OK So I added CORS middleware logic in it now. Please check is it correct now ?

this is my `program.cs`

var builder = WebApplication.CreateBuilder(args);        
builder.Services.AddCors(options =>
{
    options.AddPolicy(name: "MyPolicy",
                policy =>
                {
                    policy.WithOrigins("https://localhost:7260/")
                            .WithMethods("PUT", "DELETE", "GET");
                });
});
// Add services to the container.    
builder.Services.AddControllersWithViews();    
var app = builder.Build();    
// Configure the HTTP request pipeline.
if (!app.Environment.IsDevelopment())
{
    // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
    app.UseHsts();
}    
app.UseHttpsRedirection();
app.UseStaticFiles();
app.UseRouting();    
app.UseCors();    
app.MapControllerRoute(
    name: "default",
    pattern: "{controller}/{action=Index}/{id?}");    
app.MapFallbackToFile("index.html"); ;    
app.Run();

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What is the reason to unable to call/invoke my asp.net core 6 api?

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