public static string ValidateImage(this string imagePath) { string src = string.Empty, url = string.Empty; var query = ""; try { if (!string.IsNullOrEmpty(imagePath)) { src = HttpContext.Current.Server.MapPath(String.Concat("~/", imagePath)); url = File.Exists(src) ? PictureService.BuildUrlCore(imagePath, query, null) : PictureService.BuildUrlCore(Constant.ImageNoExsits, query, null); } else { url = PictureService.BuildUrlCore(Constant.ImageNoExsits, query, null); } } catch (Exception ex) { string exx = ex.Message; } return(url); }