Time: May 8, 2021 14:22:35
ERROR Error: NG0100: ExpressionChangedAfterItHasBeenCheckedError: Expression has changed after it was checked. Previous value: 'true'. Current value: 'false'.. Find more at https://angular.io/errors/NG0100
at throwErrorIfNoChangesMode (core.js:6792)
at bindingUpdated (core.js:12940)
at Module.ɵɵproperty (core.js:14740)
at InvoiceManagementComponent_Template (invoice-management.component.html:55)
at executeTemplate (core.js:9600)
at refreshView (core.js:9466)
at refreshComponent (core.js:10637)
at refreshChildComponents (core.js:9263)
at refreshView (core.js:9516)
at refreshEmbeddedViews (core.js:10591)
The meaning of the problem is that once the page is rendered, don’t change it. If you change it again, I will report you an error. And that’s it.
Solution: add a line of code to the ngafterviewinit() method
ngAfterViewInit(): void {
this.changeDetectorRef.detectChanges();
}
This only needs to be declared in the constructor
constructor(
public changeDetectorRef: ChangeDetectorRef
) { }
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