protected void btnSave_OnServerClick(object sender, EventArgs e)
        {
            var categoryName = Request.Form["selectCategories"];
            var categoryID   = _categoryDal.GetCategoryID(categoryName);

            var brandName = Request.Form["selectBrands"];
            var brandID   = _brandDal.GetID(brandName);

            string productName     = Request.Form["productname"];
            string averagePrice    = Request.Form["averageprice"];
            string productFeatures = Request.Form["productfeatures"];

            _productDal.ProductAdd(new Product
            {
                ProductName     = productName,
                CategoryID      = categoryID,
                BrandID         = brandID,
                AveragePrice    = int.Parse(averagePrice),
                ProductFeatures = productFeatures,
                ProductImage_1  = _imagePath + categoryName + @"s\" + productimage1.Value,
                ProductImage_2  = _imagePath + categoryName + @"s\" + productimage2.Value,
                ProductImage_3  = _imagePath + categoryName + @"s\" + productimage3.Value,
            });

            LoadProducts();
            lblResult.Visible   = true;
            lblResult.InnerText = "Product Added!";
        }
        protected void btnDelete_OnServerClick(object sender, EventArgs e)
        {
            string categoryName = Request.Form["categoryname"];
            int    categoryId   = _categoryDal.GetCategoryID(categoryName);

            _categoryDal.Delete(new Category
            {
                CategoryID = categoryId,
            });

            End("Category Deleted!");
        }