Manually Set Value for FormBuilder Control

Question

This is driving me nuts, I\'m under the gun and can\'t afford to spend another whole day on this.

I am trying to manually set a control value (\'dept\') within the c

Answer 1

Tip: If you're using setValue but not providing every property on the form you'll get an error:

Must supply a value for form control with name: 'stateOrProvince'.

So you may be tempted to use patchValue, but this can be dangerous if you're trying to update a whole form. I have an address that may not have stateOrProvince or stateCd depending upon whether it is US or worldwide.

Instead you can update like this - which will use the nulls as defaults:

this.form.setValue( { stateOrProvince: null, stateCd: null, ...address } );