diff --git a/src/Web/Grand.Web.Admin/Areas/Admin/Views/Product/_CreateOrUpdate.ProductAttributes.TabAttributeCombinations.cshtml b/src/Web/Grand.Web.Admin/Areas/Admin/Views/Product/_CreateOrUpdate.ProductAttributes.TabAttributeCombinations.cshtml
index 66278289c..869dc3ec0 100644
--- a/src/Web/Grand.Web.Admin/Areas/Admin/Views/Product/_CreateOrUpdate.ProductAttributes.TabAttributeCombinations.cshtml
+++ b/src/Web/Grand.Web.Admin/Areas/Admin/Views/Product/_CreateOrUpdate.ProductAttributes.TabAttributeCombinations.cshtml
@@ -55,23 +55,48 @@
             },
             dataSource: {
                 transport: {
-                    read: {
-                        url: "@Html.Raw(Url.Action("ProductAttributeCombinationList", "Product", new { productId = Model.Id, area = Constants.AreaAdmin }))",
-                        type: "POST",
-                        dataType: "json",
-                        data: addAntiForgeryToken
+                    read: function(options) {
+                        $.ajax({
+                            url: "@Html.Raw(Url.Action("ProductAttributeCombinationList", "Product", new { productId = Model.Id, area = Constants.AreaAdmin }))",
+                            type: "POST",
+                            dataType: "json",
+                            data: addAntiForgeryToken(options.data),
+                            success: function(result) {
+                                options.success(result);
+                                $('input[name="Ticks"]').val(result.ExtraData.ProductTicks);
+                            },
+                            error: function(result) {
+                                options.error(result);
+                            }
+                        });
                     },
-                    update: {
-                        url: "@Html.Raw(Url.Action("ProductAttributeCombinationUpdate", "Product", new { area = Constants.AreaAdmin }))",
-                        type: "POST",
-                        dataType: "json",
-                        data: addAntiForgeryToken
+                    update: function(options) {
+                        $.ajax({
+                            url: "@Html.Raw(Url.Action("ProductAttributeCombinationUpdate", "Product", new { area = Constants.AreaAdmin }))",
+                            type: "POST",
+                            dataType: "json",
+                            data: addAntiForgeryToken(options.data),
+                            success: function(result) {
+                                options.success(result);
+                            },
+                            error: function(result) {
+                                options.error(result);
+                            }
+                        });
                     },
-                    destroy: {
-                        url: "@Html.Raw(Url.Action("ProductAttributeCombinationDelete", "Product", new { area = Constants.AreaAdmin }))",
-                        type: "POST",
-                        dataType: "json",
-                        data: addAntiForgeryToken
+                    destroy: function(options) {
+                        $.ajax({
+                            url: "@Html.Raw(Url.Action("ProductAttributeCombinationDelete", "Product", new { area = Constants.AreaAdmin }))",
+                            type: "POST",
+                            dataType: "json",
+                            data: addAntiForgeryToken(options.data),
+                            success: function(result) {
+                                options.success(result);
+                            },
+                            error: function(result) {
+                                options.error(result);
+                            }
+                        });
                     }
                 },
                 schema: {
@@ -95,7 +120,7 @@
                     }
                 },
                 requestEnd: function(e) {
-                    if (e.type == "update") {
+                    if (e.type == "update" || e.type == "destroy") {
                         this.read();
                     }
                 },
diff --git a/src/Web/Grand.Web.Admin/Controllers/ProductController.cs b/src/Web/Grand.Web.Admin/Controllers/ProductController.cs
index 4cb677459..76b60663e 100644
--- a/src/Web/Grand.Web.Admin/Controllers/ProductController.cs
+++ b/src/Web/Grand.Web.Admin/Controllers/ProductController.cs
@@ -2344,7 +2344,8 @@ public async Task<IActionResult> ProductAttributeCombinationList(DataSourceReque
             var combinationsModel = await _productViewModelService.PrepareProductAttributeCombinationModel(product);
             var gridModel = new DataSourceResult {
                 Data = combinationsModel,
-                Total = combinationsModel.Count
+                Total = combinationsModel.Count,
+                ExtraData = new { ProductTicks = product.UpdatedOnUtc.Ticks.ToString() }
             };
             return Json(gridModel);
         }
@@ -2372,7 +2373,7 @@ public async Task<IActionResult> ProductAttributeCombinationDelete(string id, st
             await productAttributeService.DeleteProductAttributeCombination(combination, productId);
             if (product.ManageInventoryMethodId == ManageInventoryMethod.ManageStockByAttributes)
             {
-                var pr = await _productService.GetProductById(productId);
+                var pr = await _productService.GetProductById(productId, true);
                 pr.StockQuantity = pr.ProductAttributeCombinations.Sum(x => x.StockQuantity);
                 pr.ReservedQuantity = pr.ProductAttributeCombinations.Sum(x => x.ReservedQuantity);
                 await _inventoryManageService.UpdateStockProduct(pr, false);
diff --git a/src/Web/Grand.Web.Admin/Services/ProductViewModelService.cs b/src/Web/Grand.Web.Admin/Services/ProductViewModelService.cs
index 538393512..a8491a64e 100644
--- a/src/Web/Grand.Web.Admin/Services/ProductViewModelService.cs
+++ b/src/Web/Grand.Web.Admin/Services/ProductViewModelService.cs
@@ -2545,7 +2545,7 @@ async Task PrepareCombinationWarehouseInventory(ProductAttributeCombination comb
 
                 if (product.ManageInventoryMethodId == ManageInventoryMethod.ManageStockByAttributes)
                 {
-                    var pr = await _productService.GetProductById(model.ProductId);
+                    var pr = await _productService.GetProductById(model.ProductId, true);
                     pr.StockQuantity = pr.ProductAttributeCombinations.Sum(x => x.StockQuantity);
                     pr.ReservedQuantity = pr.ProductAttributeCombinations.Sum(x => x.ReservedQuantity);
                     await _inventoryManageService.UpdateStockProduct(pr, false);