Troubleshooting Rest API

Hi,
I have a problem in troubleshooting a REST api.
Can you give me some help, how to solve this issue.

I have created asp net webservice to consume with radzen angular application.
The load event triggers 'load data method' an error.
image

The error message in in console looks like:

The response in Postman looks ok for me:

What is missing ?

Thanks
Gerald

Just found the issue: CORS
Firefox browser show the hint in the console.

regards
Gerald

1 Like