AJH.CMS.WEB.UI.Admin.ManageGallery_UC.ddlGalleryItemType_SelectedIndexChanged C# (CSharp) Method

        void ddlGalleryItemType_SelectedIndexChanged(object sender, EventArgs e)
        {
            int GalleryItemType = 0;
            int.TryParse(cddGalleryItemType.SelectedValue, out GalleryItemType);
            switch ((CMSEnums.GalleryItemType)GalleryItemType)
            {
                case CMSEnums.GalleryItemType.Internal:
                    trAddName.Visible = false;
                    trAddURL.Visible = false;
                    trMultiUpload.Visible = true;
                    btnAdd.Attributes.Add("style", "display:none");
                    break;
                case CMSEnums.GalleryItemType.External:
                    trAddName.Visible = true;
                    trAddURL.Visible = true;
                    trMultiUpload.Visible = false;
                    btnAdd.Attributes.Remove("style");
                    break;
            }
        }
        #endregion