How to handle errors in Angular Grid component?
This article explains how to handle errors in the angular Grid component. When any Grid component action fail, you can handle the error by using the `actionFailure` event of Angular Grid component. Exceptions related to the Angular application can be handled through ‘ErrorHandler’ class.
The following code example demonstrates how to handle the errors in Essential JavaScript 2 Angular Grid component.
ActionFailure
Render the Grid with the actionFailure event. Here the given ‘format’ property for the ‘OrderDate’ column is invalid.
[HTML]
<ejs-grid #grid [dataSource]="data" (actionFailure)="fail($event)" allowPaging=true width="auto" height="300px"> <e-columns> <e-column field='OrderID' headerText='Order ID' textAlign='Right'></e-column> <e-column field='CustomerID' headerText='Customer ID'></e-column> <e-column field='OrderDate' headerText='Order Date' format='abc'></e-column> </e-columns> </ejs-grid>
Handle the error in the actionFailure event.
[component.ts]
export class AppComponent implements OnInit {
public data: Object[];
ngOnInit(): void {
this.data = data;
}
fail(e: FailureEventArgs){
// handle the error.
console.log(e.error);
}
}
Console Output:
|
ErrorHandler :
Define the custom error handler with ErrorHandler class.
[Module.ts]
class MyErrorHandler implements ErrorHandler {
handleError(error) {
// do something with the exception
console.log(error);
}
}
@NgModule({
providers: [{provide: ErrorHandler, useClass: MyErrorHandler}]
})
class MyModule {}
Console Output:
|
Conclusion
We hope you enjoyed learning about how to handle errors in Angular Grid component.
You can refer to our Angular Grid feature tour page to know about its other groundbreaking feature representations and documentation, and how to quickly get started for configuration specifications. You can also explore our Angular Grid example to understand how to create and manipulate data.
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