CORS will need to be configured for the external system implemented web service to allow autoVHC to access / call the methods.
For a .NET ASMX WebService add the following to web.config:
<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>
If you have some additional HEADER parameters, you need to add them to Access-Control-Allow-Headers, like:
<add name="Access-Control-Allow-Headers" value="Content-Type, X-Your-Extra-Header-Key" />
And finally, to handle OPTIONS requests you must reply with empty response, adding in your application class:
protected void Application_BeginRequest()
{
if (Request.Headers.AllKeys.Contains("Origin") && Request.HttpMethod == "OPTIONS")
{
Response.Flush();
}
}
For more information on CORS see: