public ActionResult NavNext(int Id = 0)
        {
            ApprovalModel approvalModel;

            approvalService = new ApprovalService();

            approvalModel = approvalService.NavNext(Id);
            if (approvalModel != null)
            {
                approvalModel._FormMode = FormModeEnum.Edit;
            }

            if (approvalModel == null)
            {
                //approvalModel = approvalService.GetNewModel();
                throw new Exception("[VALIDATION]-Data not exists");
            }

            return(PartialView(VIEW_FORM_PARTIAL, approvalModel));
        }