FastReport 保存为文件

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public void SaveToPDF<TModel>(List<TModel> model, string content, string saveFilePath)        {            if (model == null) return;              Report report = new Report();            report.LoadFromString(content);              FillReport(report, model, "print");            //运行报表            report.Prepare();            PDFExport export = new PDFExport();            report.Export(export, saveFilePath);            report.Dispose();        }   /// <summary>        /// 文件转换二进制数据(用于保存数据库)        /// </summary>        /// <param name="filePath">文件路径</param>        /// <returns>二进制</returns>        public byte[] FileConvertByte(string filePath)        {            if (!File.Exists(filePath))            {                return null;            }            byte[] bytContent = null;            System.IO.FileStream fs = null;            System.IO.BinaryReader br = null;            try            {                fs = new FileStream(filePath, System.IO.FileMode.Open);                br = new BinaryReader((Stream)fs);                bytContent = br.ReadBytes((Int32)fs.Length);                fs.Close();                br.Close();            }            catch            {                fs.Close();                br.Close();                return null;            }            return bytContent;        }