使用C#将Excel转换为PDF的代码示例

    /// <summary>
        /// 把Excel文件转换成PDF格式文件
        /// </summary>
        /// <param name="sourcePath">源文件路径</param>
        /// <param name="targetPath">目标文件路径</param> 
        /// <returns>true=转换成功</returns>
        private bool XLSConvertToPDF(string sourcePath, string targetPath)
        {
            bool result = false;
            Microsoft.Office.Interop.Excel.XlFixedFormatType targetType = Microsoft.Office.Interop.Excel.XlFixedFormatType.xlTypePDF;
            object missing = Type.Missing;
            Microsoft.Office.Interop.Excel.ApplicationClass application = null;
            Microsoft.Office.Interop.Excel.Workbook workBook = null;
            try
            {
                application = new Microsoft.Office.Interop.Excel.ApplicationClass();
                object target = targetPath;
                object type = targetType;
                workBook = application.Workbooks.Open(sourcePath, missing, missing, missing, missing, missing,
                        missing, missing, missing, missing, missing, missing, missing, missing, missing);

                workBook.ExportAsFixedFormat(targetType, target, Microsoft.Office.Interop.Excel.XlFixedFormatQuality.xlQualityStandard, true, false, missing, missing, missing, missing);
                result = true;
            }
            catch
            {
                result = false;
            }
            finally
            {