public JsonResult GetProductDetailJson(int ProductId)
        {
            ProductWithGroupAndUnit        productgroupandunit     = _BomDetailService.GetProductGroupAndUnit(ProductId);
            List <ProductWithGroupAndUnit> productgroupandunitJson = new List <ProductWithGroupAndUnit>();

            productgroupandunitJson.Add(new ProductWithGroupAndUnit()
            {
                ProductGroupId   = productgroupandunit.ProductGroupId,
                ProductGroupName = productgroupandunit.ProductGroupName,
                UnitName         = productgroupandunit.UnitName
            });

            return(Json(productgroupandunitJson));
        }