How to replace static data with a data list angular & api

Question

How to replace static data with a data list angular and web api 4

 

code angular here

 

https://stackblitz.com/angular/dnbermjydavk?file=app%2Ftable-overview-example.html

 

how can replace this

const NAMES = ['Maia', 'Asher', 'Olivia', 'Atticus', 'Amelia', 'Jack',
'Charlotte', 'Theodore', 'Isla', 'Oliver', 'Isabella', 'Jasper',
'Cora', 'Levi', 'Violet', 'Arthur', 'Mia', 'Thomas', 'Elizabeth'];

with 

getCat_NewsList()

this.http.get('http://localhost:1858/api/Cat_News').map((data: Response) =>{
  return data.json() as ICategoryModule[];

}).toPromise().then(x=>{
  this.Cat_NewsList =x;
});

i want this

To show my menu instead of the fixed menu