Record scripti

 this.allFormControls['DEDUCTFROMDEPARTMENTID_DEPARTMENTNAME'].disable();
 this.allFormControls['DEDUCTFROMREVENUEID_REVENUENAME'].disable();
 const c1 = this.allFormControls['DEDUCTFROMDEPARTMENTID_DEPARTMENTNAME'];
 const c2 = this.allFormControls['DEDUCTFROMREVENUEID_REVENUENAME'];
   
 this.recordService.formGroup.controls.INCLUDEDINROOMPRICE.valueChanges.subscribe(v => { 
   if(!v)
   { c1.disable();
   c2.disable();
     
   }
   else
   {
     
  c1.enable();
     c2.enable();
   }
	});