public JsonResult DeleteCourseTitles(List <CourseTitle> entities)
        {
            var data = BaseEntityManager.DeleteEntities(entities);

            return(Json(data, JsonRequestBehavior.AllowGet));
        }
        public JsonResult DeleteTypesOfProjects(List <TypeOfProject> entities)
        {
            var data = BaseEntityManager.DeleteEntities(entities);

            return(Json(data, JsonRequestBehavior.AllowGet));
        }
        public JsonResult DeleteAreasOfTrainings(List <AreaOfTraining> entities)
        {
            var data = BaseEntityManager.DeleteEntities(entities);

            return(Json(data, JsonRequestBehavior.AllowGet));
        }
        public JsonResult DeleteDepartments(List <Department> entities)
        {
            var data = BaseEntityManager.DeleteEntities(entities);

            return(Json(data, JsonRequestBehavior.AllowGet));
        }
        public JsonResult DeleteWorkingCirriculums(List <WorkingCirriculum> entities)
        {
            var data = BaseEntityManager.DeleteEntities(entities);

            return(Json(data, JsonRequestBehavior.AllowGet));
        }