angular not getting exception message from .net core

Question

So I would like to get in console an json array with message, what would be equal with "Your direct manager have no account for your area."

But all I am getting is "Http failure response for https://localhost:44385/api/Option/Post: 500 Internal Server Error"

Note: When looking at dev tools -> network -> post -> response, then it shows html and css with right error message included, but no idea how to get it out from there.

Controller

[HttpPost("[action]")]
public void Post(Option option)
{
    throw new NoBudgetAccountException();
}

Exception

[Serializable]
public class NoBudgetAccountException : Exception
{
    public NoBudgetAccountException() : base("Your direct manager have no account for your area.")
    {
    }
}

Angular apiService

addOrUpdateOption(option: ITrainingOption): Observable<Response> {
    return this.post<Response>("api/Option/Post", option);
  }

Angular component

submitOption(option: ITrainingOption) {
        this.apiService.addOrUpdateOption(option).subscribe(() => {
            this.isAddOptionShown = false;
            this.getHeadlines(this.selectedYear);
          },
          err => { console.log(err); });
      }

Does your console.log get printed? You should be able to use console.log(err.error) to get the body — user184994
– user184994, Commented Oct 28, 2018 at 11:22
Yes, it prints the whole body, but I would like to get only this "Your direct manager have no account for your area." so I can put it in error field and show it to user. — Oskars
– Oskars, Commented Oct 28, 2018 at 11:31
Okay, can you please edit your question to show what the full response looks like? — user184994
– user184994, Commented Oct 28, 2018 at 11:33

dardardardar · Accepted Answer · 2018-10-28 12:05:38Z

3

usually with .net stuff when you do something like

throw new Exception("This is a custom exception");

It doesn't actually give you this message, instead it throws you an error html page

If you want to return a message and parse it in angular use an IActionResult instead and return BadRequest("message")

    [HttpPost("[action]")]
    public IActionResult test(Option option)
    {
        return BadRequest("This is an error message");
    }

After doing this your error message should show in err.error

answered Oct 28, 2018 at 12:05

dardardardar

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2 Comments

Oskars Over a year ago

Will accept this, but used StatusCode() instead of BadRequest() and will use it in try and catch to get message from exception.

dardardardar Over a year ago

Yup, you can send anything really. You can even extend these. Ok(), BadRequest(), StatusCode() etc..

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