401 unauthorized in ajax call

Question

Hello everyone I have face a issue I have call a function using ajax in razor view but it's not call.

Sachin Singh · Answer

Add this to your services app.UseCors(x => x .AllowAnyMethod() .AllowAnyHeader() .SetIsOriginAllowed(origin => true ) // allow any origin .AllowCredentials()); // allow credentials

Sachin Singh · Answer

If after login it is working, means it is Authentication issue, so check authentication settings

Rohan · Answer

Sir I have already add this but not working.

Sachin Singh · Answer

it is very simple Go to Startup.cs file and add the below code in Configure method, which will inject CORS into a container. 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() ); });

Rohan · Answer

Same error. I'm tired

Sachin Singh · Answer

add this to your services collection services.AddCors()

Rohan · Answer

I have add cors this error face Unable to resolve service for type 'Microsoft.AspNetCore.Cors.Infrastructure.ICorsService' while attempting to activate

Rohan · Answer

Request URL: https://localhost:44344/APICallFile?handler=APIOption Request Method: GET Status Code: 401 Remote Address: [::1]:44344 Referrer Policy: strict-origin-when-cross-origin -- This error

Gajendra Jangid · Answer

Try to send your http header with username and password as Basic Authentication method I tried this method on Jquery ajax call var settings = { "async" : true , "crossDomain" : true , "url" : "https://immense-depths-6983.herokuapp.com/search?search=94305" , "method" : "GET" , "headers" : { "authorization" : "Basic YWRtaW46cGFzc3dvcmQ=" , "cache-control" : "no-cache" , "postman-token" : "54733c33-4918-811b-3987-69d6edeaa3a0" } } $.ajax(settings).done(function (response) { console.log(response); });

Jignesh Kumar · Answer

can you please share you startup.cs ? it will help to identify

Rohan · Answer

Please anybody help me

Rohan · Answer

Sir Please let me know how to check authentication settings

Rohan · Answer

Note- I have call this function after login it's working but before login not working I have call this function in registration page.

Sachin Singh · Answer

Your Authentication service is blocking it. Ask your TL about the settings in startup.cs servicess.AddAuthentication({ what settings are listed here?})

Rohan · Answer

Sachin sir same issue found

Sachin Singh · Answer

$.get( "/APICallFile?handler=APIOption" ,function(data) { alert(data); }); test this

Rohan · Answer

I have set this attribute it's again same error showing.

Sachin Singh · Answer

yes correct.

Rohan · Answer

This type Right? [AllowAnonymous] public JsonResult OnGetAPIOption() { var appKey = _config.GetValue ("AuthenticationKey:applicationKey"); return new JsonResult(appKey); } }

Sachin Singh · Answer

Add the attribute [AllowAnonymous] over OnGetAPIOption()

Rohan · Answer

Sir I have not set any token

Rohan · Answer

This is my .cs file code public JsonResult OnGetAPIOption() { var Key = _config.GetValue ("ABC"); return new JsonResult(Key); } This is my ajax call function function getOptionKey() { $.ajax({ url: '/APICallFile?handler=APIOption', async: false, contentType: "application/json; charset=utf-8", success: function (response) { } }); } getOptionKey(); This issue face Request Method: GET Status Code: 401

Sachin Singh · Answer

You are not passing token.

401 unauthorized in ajax call

Answers (23)