public string ImageRemove(string TableName, int id, string ImageName) { string result = ""; try { if (Data_dal.ImageRemove(TableName, id, ImageName) > 0) { result = @"[{""result"":""成功""}]"; } else { result = @"[{""result"":""失败""}]"; } } catch (Exception) { System.Web.HttpContext.Current.Response.Write("<script>alert(" + err + ")</script>"); } return(result); }