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why my web api url and angular project url is blocked

why my web api url and angular project url is blocked

Rajan Kumar

Rajan Kumar

4y965.NET

has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.

2 Replies

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Sachin Singh4y ago
Accepted answer
is this asp.net core API then add CORS.
app.UseCors(options => options.AllowAnyOrigin()
.AllowAnyHeader()
.SetIsOriginAllowed(origin => true) // allow any origin
.AllowCredentials()
);
Add the below code in ConfigureServices method,
services.AddCors(c =>
{
c.AddPolicy("AllowOrigin", options => options.AllowAnyOrigin()
.AllowAnyHeader()
.SetIsOriginAllowed(origin => true) // allow any origin
.AllowCredentials()
);
});
+1
Gajendra Jangid4y ago
https://www.c-sharpcorner.com/article/enable-cors-consume-web-api-by-mvc-in-net-core-4/

Use following Code
// In general
services.AddCors();

// Default Policy
services.AddCors(options =>
{
    options.AddDefaultPolicy(
        builder =>
        {
            builder.WithOrigins("https://localhost:44351", "http://localhost:4200")
                                .AllowAnyHeader()
                                .AllowAnyMethod();
        });
});

// Named Policy
services.AddCors(options =>
{
    options.AddPolicy(name: "AllowOrigin",
        builder =>
        {
            builder.WithOrigins("https://localhost:44351", "http://localhost:4200")
                                .AllowAnyHeader()
                                .AllowAnyMethod();
        });
});
+1