value undefined in angular2

Question

I am creating a application in which i am using the Ag-Grid api for listing my database content on the web page. Ag-grid have a predefined api to get the selected row content.

Answer 1

1) Use bind method to retain context this

this.gridOptions.onSelectionChanged = this.onSelectionChanged.bind(this);

2) You can also use Instance Function

private onSelectionChanged = () => {
    console.log(this.gridOptions);
}

3) or inline arrow function

this.gridOptions.onSelectionChanged = () => this.onSelectionChanged();