ASP.NET WebAPI2 and AngularJS

Question

I'm using firefox to perform a connection between an AngularJS/HTML client page and a controller on the ASP.NET WebAPI.

The issue is that I keep getting the "Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at https://localhost:44377/project/all. (Reason: CORS header ‘Access-Control-Allow-Origin’ missing)." unless I enable the CORS firefox extension.

Even with that enabled, my page doesn't seem to be grabbing the required data; but the errors are gone.

[EnableCors(origins: "https://localhost:PortNumberHereWithoutTheForwardSlah", headers: "", methods: "")] above my Controller:ApiController and used the config.EnableCors(); in the WebApi.Config in App_Start.

Note: the method that uses [HttpGet] does work when I try to use it in my browser.

Does this answer your question? How to fix "The CORS protocol does not allow specifying a wildcard (any) origin and credentials at the same time" error — Rafael Herscovici
– Rafael Herscovici, Commented Nov 20, 2021 at 22:24

user199135 · Accepted Answer · 2021-11-22 16:08:47Z

1

</system.webServer> Thanks, but I found inserting this between /handlers and /system.webServer in Web.config to be more flexible from another post.

answered Nov 22, 2021 at 16:08

user199135

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user199135 Over a year ago

</handlers> <httpProtocol> <customHeaders> <add name="Access-Control-Allow-Origin" value="*" /> <add name="Access-Control-Allow-Headers" value="Content-Type" /> <add name="Access-Control-Allow-Methods" value="GET, POST, PUT, DELETE, OPTIONS" /> </customHeaders> </httpProtocol> </system.webServer> Thanks, but I found inserting this between /handlers and /system.webServer in Web.config to be more flexible from another post.

Community Over a year ago

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