Use Event Emitter. It will call parent component method and you can pass your any object in that method call as below:
Child Component:
import {ViewChild, Component, Output, EventEmitter} from "@angular/core";
@Output() RefreshParentGridView = new EventEmitter();
public Close(): void {
let myObject:any; //Your object which pass in parent
this.RefreshParentGridView.emit(myObject);
}
Parent Component: register output event as below
HTML
Backend Code
public RefreshGridView(model: any)
{
}