public virtual ActionResult AllChangeAsChild(string tabId, int parentId, FormCollection collection)
 {
     return(SaveAsChild(tabId, parentId, model => { ChildContentService.ChangeAll(parentId, model.Data); }));
 }
 public virtual async Task <ActionResult> AllChangeAsChild(string tabId, int parentId, IFormCollection collection)
 {
     return(await SaveAsChild(tabId, parentId, model => { ChildContentService.ChangeAll(parentId, model.Data); }));
 }