AJH.CMS.WEB.UI.Admin.ManageProducts_UC.ibtnFillGroupAttributes_Click C# (CSharp) Method

        void ibtnFillGroupAttributes_Click(object sender, ImageClickEventArgs e)
        {
            gvNotConnectedCombinationAttributes.DataSource = new List<AJH.CMS.Core.Entities.Attribute>();

            int groupId = -1;
            int.TryParse(cddGroup.SelectedValue, out groupId);
            if (groupId > 0)
            {
                List<AJH.CMS.Core.Entities.Attribute> combinationAttributes = AttributeManager.GetAttributesByCombinationID(SelecedCombinationProductId, CMSContext.LanguageID);
                List<AJH.CMS.Core.Entities.Attribute> groupAttributes = AttributeManager.GetAttributesByGroupID(groupId, CMSContext.LanguageID);

                if (combinationAttributes != null && groupAttributes != null)
                {
                    List<int> combinationAttributesIds = combinationAttributes.Select(ca => ca.ID).ToList();

                    groupAttributes = groupAttributes.Where(ga => !combinationAttributesIds.Contains(ga.ID)).ToList();
                }
                gvNotConnectedCombinationAttributes.DataSource = groupAttributes;
            }

            gvNotConnectedCombinationAttributes.DataBind();

            upnlCombinationProductDetails.Update();
        }