getColumnValueg(): Observable<any>
{  console.log("service",this.colValueg);
   return (this.colValueg);
}

ngOnInit()
{
  // perform the task of sending and receiving value.
  console.log("inint form-lib component",this.UserFormArray);

  this.UserFormArray = this.service.getFormDetails();

  this.service.getColumnValueg().subscribe(data => this.g1 = data);
  this.service.getColumnValueg().subscribe(data => this.lg1 = data);
  this.service.getColumnValueg().subscribe(data => this.md1 = data);

  console.log('userformarray',this.UserFormArray);
  console.log(this.g1,this.lg1,this.md1);
}