public HomeSlide(SPListItem item) : base(item) { SPFieldUrlValue spLink = item.GetSiteColumnUrlValue(SiteColumns.LINK); _Title = item.File.Title; _Description = item.GetSiteColumnStringValue(SiteColumns.DESCRIPTION, string.Empty); _LinkUrl = spLink == null ? string.Empty : spLink.Url; _LinkTitle = spLink == null ? string.Empty : spLink.Description; _ImageUrl = item.File.ServerRelativeUrl; _Color = item.GetSiteColumnStringValue(SiteColumns.COLOR, string.Empty); }