Dear Sir/Madam,
I need my MAT-SELECT component to be populated when I enter the form.
However, the value never gets set.
The HTML File contains the following code:
<mat-form-field>
<mat-select placeholder="Select Parent Module" formControlName=
"parentModule" [(value)]="selectedParentModule">
<!-- <mat-select placeholder="Parent Module" formControlName="parentModule"
[(ngModel)]="selectedParentModule"> -->
<mat-option>None</mat-option>
<mat-option *ngFor="let module of moduleListDisplayed" [value]="module">
{{module.moduleName}}</mat-option>
</mat-select>
</mat-form-field>
The .TS File contains the following:
ngOnInit() {
this.dataForm = new FormGroup({
'moduleCode': new FormControl(null, {validators: [Validators.required,
Validators.maxLength(10)]}),
'moduleName': new FormControl(null, {validators: [Validators.required,
Validators.maxLength(255)]}),
'parentModule': new FormControl(null, {validators: [Validators.maxLength(10
)]}),
'parentModuleName': new FormControl(null, {validators: [Validators.maxLength
(255)]}),
'updateUser': new FormControl(null, {validators: [Validators.maxLength(20
)]})
});
this.dummyData = {
moduleCode: '',
moduleName: '',
parentModule: '',
parentModuleName: '',
updateUser: this.dataService.loggedInUser
};
// Get the list of available modules and populate in Parent Module
this.dataService.getData();
this.parentSubscription = this.dataService.getDataUpdatedListener()
.subscribe( (data: Module[]) => {
this.moduleList = data;
// this.refresh();
// Display the current Record
this.route.paramMap.subscribe((paramMap: ParamMap) => {
if (paramMap.has('moduleCode')) {
this.mode = this.EDIT_MODE_INDICATOR;
this.dataCode = paramMap.get('moduleCode');
this.dataService.getOneData(this.dataCode)
.subscribe(fetchedData => {
this.dataToEdit = fetchedData.data;
this.moduleListDisplayed = [...this.moduleList
.filter(parentData => parentData.moduleCode !== this.dataCode)];
this.dataForm.setValue({
'moduleCode': this.dataToEdit.moduleCode.trim(),
'moduleName': this.dataToEdit.moduleName.trim(),
'parentModule': this.dataToEdit.parentModule,
'parentModuleName': this.dataToEdit.parentModuleName,
'updateUser': this.dataService.loggedInUser
});
this.selectedParentModule = this.dataToEdit.parentModule;
alert('SElected Value:' + this.selectedParentModule);
});
} else {
this.mode = this.CREATE_MODE_INDICATOR;
this.dataCode = null;
this.dataToEdit = this.dummyData;
this.moduleListDisplayed = [...this.moduleList];
alert('Total:' + this.moduleList.length + ', Displayed:' + this.
moduleListDisplayed.length);
this.dataForm.setValue({
'moduleCode': this.dummyData.moduleCode,
'moduleName': this.dummyData.moduleName,
'parentModule': this.dummyData.parentModule,
'parentModuleName': this.dummyData.parentModuleName,
'updateUser': this.dataService.loggedInUser
});
}
});
});
}
Please help.
Regards,
Partha
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