I have a FormGroup inside which there are three controls. When I add values of three controls in list, by button click, then all formcontrols display 'red line' around them due to null/empty value. I want to get rid of this behavior (no redline). I can call setError(null) method on individual control which removes red line around single control but I want to do this with directly FormGroup. 'markAsPresitne()', markAsUntouched() don't work either. Calling setError(null) on FormGroup don't work either. Continue reading...
