How to enable Cross Origin Resource Sharing in MVC

There are two types how to enable CORS (Cross Origin Resource Sharing), one simply add Access-Control-Allow-Origin header value for each request that requires CORS support. Five the value of this header is “*” to grant access from any domain.

HttpContext.Response.AppendHeader("Access-Control-Allow-Origin", "*");

Or you simply add in web.config to access in full application like this.

<system.webServer>

    <httpProtocol>

      <customHeaders>

        <clear />

        <add name="Access-Control-Allow-Origin" value="*" />

      </customHeaders>

    </httpProtocol>
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