let headers = new Headers();
 headers.append('Content-Type', 'application/json; charset=UTF-8');
 let addcategory_body={
 'name':this.add_ser_name,
 'description':this.add_ser_name,
 'icon':'asfsdfdf.png'
  }
  this.http.post('http://www.viarchtechnologies.com/projects/coolmanz   /index.php/ws/service', addcategory_body, {
 headers: headers
 }).subscribe(res => {
 console.log('post result %o', res);
 });