public Result Add(DesignationHierarchy designationHeirarchy)
        {
            var result = new Result();

            try
            {
                DesignationHeirarchyService designationHeirarchyService = new DesignationHeirarchyService();
                designationHeirarchyService.Add(designationHeirarchy);
                result.IsSuccess = true;
            }
            catch (Exception exception)
            {
                result.IsSuccess     = false;
                result.ExceptionInfo = exception;
            }
            return(result);
        }