public void DeleteAppPageImage(Hashtable State, string page_name) { DB db = new DB(); string application_id = GetAppID(State); //delete image file string sql = "SELECT page_image_url FROM application_pages WHERE application_id='" + application_id + "' AND page_name='" + page_name + "'"; string page_image_url = db.ViziAppsExecuteScalar(State, sql); if (page_image_url != null && page_image_url.Length > 0 && page_image_url != "../images/page_not_saved.jpg") { HtmlToImage util = new HtmlToImage(); util.DeleteImageFromUrl(State, page_image_url); } //delete DB entry sql = "DELETE FROM application_pages WHERE application_id='" + application_id + "' AND page_name='" + page_name + "'"; db.ViziAppsExecuteNonQuery(State, sql); db.CloseViziAppsDatabase(State); }