Fire an event when a component is loaded(Opened)
I want to trigger an event when a corresponding event is opened. Let me explain the scenario.
This is my component selector
<app-sadad class="knet-div" [payMethod]="'knet'"></app-sadad>
which is placed inside another component html, Inside the app-sadad component, I have used reactive form, if payMethod = Knet, I have to validators.required to particular formControl(olpid).
this.sadadForm = new FormGroup(
'olpid': new FormControl(''),
'firstName': new FormControl('', Validators.required)
);
I have tried ngOnInit, ngAfterViewInit which didn`t get fired on form load, it fires on application load. Kindly tell me the event which gets fired on particular form load.
angular asked Nov 14 '18 at 10:43
mano10mano10
1049
add a comment |
I want to trigger an event when a corresponding event is opened. Let me explain the scenario.
This is my component selector
<app-sadad class="knet-div" [payMethod]="'knet'"></app-sadad>
which is placed inside another component html, Inside the app-sadad component, I have used reactive form, if payMethod = Knet, I have to validators.required to particular formControl(olpid).
this.sadadForm = new FormGroup(
'olpid': new FormControl(''),
'firstName': new FormControl('', Validators.required)
);
I have tried ngOnInit, ngAfterViewInit which didn`t get fired on form load, it fires on application load. Kindly tell me the event which gets fired on particular form load.
angular asked Nov 14 '18 at 10:43
mano10mano10
1049
add a comment |
I want to trigger an event when a corresponding event is opened. Let me explain the scenario.
This is my component selector
<app-sadad class="knet-div" [payMethod]="'knet'"></app-sadad>
which is placed inside another component html, Inside the app-sadad component, I have used reactive form, if payMethod = Knet, I have to validators.required to particular formControl(olpid).
this.sadadForm = new FormGroup(
'olpid': new FormControl(''),
'firstName': new FormControl('', Validators.required)
);
I have tried ngOnInit, ngAfterViewInit which didn`t get fired on form load, it fires on application load. Kindly tell me the event which gets fired on particular form load.
angular asked Nov 14 '18 at 10:43
mano10mano10
1049
I want to trigger an event when a corresponding event is opened. Let me explain the scenario.
This is my component selector
<app-sadad class="knet-div" [payMethod]="'knet'"></app-sadad>
which is placed inside another component html, Inside the app-sadad component, I have used reactive form, if payMethod = Knet, I have to validators.required to particular formControl(olpid).
this.sadadForm = new FormGroup(
'olpid': new FormControl(''),
'firstName': new FormControl('', Validators.required)
);
I have tried ngOnInit, ngAfterViewInit which didn`t get fired on form load, it fires on application load. Kindly tell me the event which gets fired on particular form load.
angular angular asked Nov 14 '18 at 10:43
mano10mano10
1049
asked Nov 14 '18 at 10:43
mano10mano10
1049
edited Nov 14 '18 at 11:02
mano10
asked Nov 14 '18 at 10:43
mano10mano10
1049
asked Nov 14 '18 at 10:43
mano10mano10
1049
asked Nov 14 '18 at 10:43
mano10mano10
1049
1049
add a comment |
add a comment |
1 Answer
1
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oldest
votes
You just need to check onInit if the value for payMethod === 'knet', then compose Validators including required. Otherwise leave it null.
Validators.compose returns a ValidationFn. You can assign that to the form control.
@Input() payMethod;
validatorsComposition = null;
ngOnInit()
if(this.payMethod === 'knet')
this.validatorsComposition = Validators.compose([Validators.required]);
this.sadadForm = new FormGroup(
'olpid': new FormControl('', this.validatorsComposition),
'firstName': new FormControl('', Validators.required)
);
Hope this helps.
answered Nov 14 '18 at 11:09
Vinod BhavnaniVinod Bhavnani
1,1661714
add a comment |
Your Answer
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
You just need to check onInit if the value for payMethod === 'knet', then compose Validators including required. Otherwise leave it null.
Validators.compose returns a ValidationFn. You can assign that to the form control.
@Input() payMethod;
validatorsComposition = null;
ngOnInit()
if(this.payMethod === 'knet')
this.validatorsComposition = Validators.compose([Validators.required]);
this.sadadForm = new FormGroup(
'olpid': new FormControl('', this.validatorsComposition),
'firstName': new FormControl('', Validators.required)
);
Hope this helps.
answered Nov 14 '18 at 11:09
Vinod BhavnaniVinod Bhavnani
1,1661714
add a comment |
You just need to check onInit if the value for payMethod === 'knet', then compose Validators including required. Otherwise leave it null.
Validators.compose returns a ValidationFn. You can assign that to the form control.
@Input() payMethod;
validatorsComposition = null;
ngOnInit()
if(this.payMethod === 'knet')
this.validatorsComposition = Validators.compose([Validators.required]);
this.sadadForm = new FormGroup(
'olpid': new FormControl('', this.validatorsComposition),
'firstName': new FormControl('', Validators.required)
);
Hope this helps.
answered Nov 14 '18 at 11:09
Vinod BhavnaniVinod Bhavnani
1,1661714
add a comment |
You just need to check onInit if the value for payMethod === 'knet', then compose Validators including required. Otherwise leave it null.
Validators.compose returns a ValidationFn. You can assign that to the form control.
@Input() payMethod;
validatorsComposition = null;
ngOnInit()
if(this.payMethod === 'knet')
this.validatorsComposition = Validators.compose([Validators.required]);
this.sadadForm = new FormGroup(
'olpid': new FormControl('', this.validatorsComposition),
'firstName': new FormControl('', Validators.required)
);
Hope this helps.
answered Nov 14 '18 at 11:09
Vinod BhavnaniVinod Bhavnani
1,1661714
You just need to check onInit if the value for payMethod === 'knet', then compose Validators including required. Otherwise leave it null.
Validators.compose returns a ValidationFn. You can assign that to the form control.
@Input() payMethod;
validatorsComposition = null;
ngOnInit()
if(this.payMethod === 'knet')
this.validatorsComposition = Validators.compose([Validators.required]);
this.sadadForm = new FormGroup(
'olpid': new FormControl('', this.validatorsComposition),
'firstName': new FormControl('', Validators.required)
);
Hope this helps.
answered Nov 14 '18 at 11:09
Vinod BhavnaniVinod Bhavnani
1,1661714
answered Nov 14 '18 at 11:09
Vinod BhavnaniVinod Bhavnani
1,1661714
answered Nov 14 '18 at 11:09
Vinod BhavnaniVinod Bhavnani
1,1661714
answered Nov 14 '18 at 11:09
Vinod BhavnaniVinod Bhavnani
1,1661714
1,1661714
add a comment |
add a comment |
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