Skip to main content

You are not logged in. Your edit will be placed in a queue until it is peer reviewed.

We welcome edits that make the post easier to understand and more valuable for readers. Because community members review edits, please try to make the post substantially better than how you found it, for example, by fixing grammar or adding additional resources and hyperlinks.

4
  • thank you for your suggestion i have tried it..This is what happening the Form Array takes a null value don't know why..Could you please help me out .. Commented Jan 1, 2018 at 22:23
  • i have added an image of the logs..Can you please figure out the problem? Commented Jan 1, 2018 at 22:31
  • Do you know why it calls quesControl three times? On the third call, this.questionaireForm.get('steerings') is null - but the previous two calls show that it isn't null. Commented Jan 2, 2018 at 9:31
  • Hi, Thank you for your help i have found the problem. The problem was that in the Form Group i was not passing steerings form control hence it turned to null after the subscription terminates. Commented Jan 2, 2018 at 10:40