public ActionResult DeleteProject(int id)
 {
     projectService.Delete(id);
     projectService.SaveChanges();
     taskListService.DeleteMultiByParentID(id);
     taskListService.SaveChanges();
     taskMemberService.DeleteMultiByProjectID(id);
     taskMemberService.SaveChanges();
     projectMemberService.DeleteMultiByProjectID(id);
     projectMemberService.SaveChanges();
     return(AjaxResult(true));
 }
 public ActionResult DeleteTask(long id)
 {
     try
     {
         if (id != 0)
         {
             taskListService.Delete(id);
             taskMemberService.DeleteMulti(id);
             taskMemberService.SaveChanges();
             taskListService.SaveChanges();
             return(AjaxResult(true, "success"));
         }
         else
         {
             return(AjaxResult(false, "error"));
         }
     }
     catch (Exception e)
     {
         return(AjaxResult(false, "Lỗi hệ thống", null, e.Message));
     }
 }