C#

<br />
 static void Main(string[] args)<br />
        {<br />
            ApplicationClass excelApplication = new ApplicationClass();<br />
            Workbook excelWorkBook = null;<br />
<br />
        <br />
<br />
            string paramSourceBookPath = @"C:\2.xlsx";<br />
            object paramMissing = Type.Missing;<br />
<br />
            string paramExportFilePath = @"C:\test.pdf";<br />
            XlFixedFormatType paramExportFormat = XlFixedFormatType.xlTypePDF;<br />
            XlFixedFormatQuality paramExportQuality =<br />
                XlFixedFormatQuality.xlQualityStandard;<br />
            bool paramOpenAfterPublish = false;<br />
            bool paramIncludeDocProps = true;<br />
            bool paramIgnorePrintAreas = true;<br />
            object paramFromPage = Type.Missing;<br />
            object paramToPage = Type.Missing;<br />
<br />
        <br />
<br />
        try<br />
        {<br />
            // Open the source workbook.<br />
            excelWorkBook = excelApplication.Workbooks.Open(paramSourceBookPath,<br />
                paramMissing, paramMissing, paramMissing, paramMissing,<br />
                paramMissing, paramMissing, paramMissing, paramMissing,<br />
                paramMissing, paramMissing, paramMissing, paramMissing,<br />
                paramMissing, paramMissing);<br />
<br />
            // Save it in the target format.<br />
            if (excelWorkBook != null)<br />
                excelWorkBook.ExportAsFixedFormat(paramExportFormat,<br />
                    paramExportFilePath, paramExportQuality,<br />
                    paramIncludeDocProps, paramIgnorePrintAreas, paramFromPage,<br />
                    paramToPage, paramOpenAfterPublish,<br />
                    paramMissing);<br />
        }<br />
        catch (Exception ex)<br />
        {<br />
            Console.WriteLine(ex.ToString());<br />
        }<br />
        finally<br />
        {<br />
            // Close the workbook object.<br />
            if (excelWorkBook != null)<br />
            {<br />
                excelWorkBook.Close(false, paramMissing, paramMissing);<br />
                excelWorkBook = null;<br />
            }<br />
<br />
            // Quit Excel and release the ApplicationClass object.<br />
            if (excelApplication != null)<br />
            {<br />
                excelApplication.Quit();<br />
                excelApplication = null;<br />
            }<br />
<br />
            GC.Collect();<br />
            GC.WaitForPendingFinalizers();<br />
            GC.Collect();<br />
            GC.WaitForPendingFinalizers();<br />
        }  <br />
<br />
<br />
        }<br />

excelWorkBook.ExportAsFixedFormat(paramExportFormat,<br />
                       paramExportFilePath, paramExportQuality,<br />
                       paramIncludeDocProps, paramIgnorePrintAreas, paramFromPage,<br />
                       paramToPage, paramOpenAfterPublish,<br />
                       XlFileFormat.xlWorkbookNormal);

<br />
if (excelWorkBook != null)<br />
                    excelWorkBook.ExportAsFixedFormat(paramExportFormat,<br />
                    paramExportFilePath, paramExportQuality,<br />
                    paramIncludeDocProps, paramIgnorePrintAreas, paramFromPage,<br />
                    paramToPage, paramOpenAfterPublish,<br />
                    paramMissing);<br />