在MSDN上看Excel2007可以将xlsx文件转换为pdf文件，还有参考编码：
http://msdn.microsoft.com/en-us/library/bb407651(v=office.12).aspx
于是就照着这个编了一通，结果调试时候报错，ex.message：出现异常值不在预期的范围内
代码如下，很简单，就是把网站根目录下的一个.xlsx文件转为pdf，源文件在，打开正常，但是保存时候出错。
期待高手看看，哪里写的不对，先谢谢拉！
- C# code
using System;using System.Configuration;using System.Data;using System.Linq;using System.Web;using System.Web.Security;using Microsoft.Office.Interop.Excel;using System.Web.UI;using System.Web.UI.HtmlControls;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Xml.Linq;public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } protected void Button1_Click(object sender, EventArgs e) { //Creating an Instance of the ApplicationClass Object Microsoft.Office.Interop.Excel.ApplicationClass excelApplication = new Microsoft.Office.Interop.Excel.ApplicationClass(); Microsoft.Office.Interop.Excel.Workbook excelWorkBook = null; //Declaring the Appropriate Variables for open string paramSourceBookPath = Server.MapPath("MBAP.xlsx"); object paramMissing = Type.Missing; //Declaring the Appropriate Variables for ExportAsFixedFormat string paramExportFilePath = Server.MapPath("test.pdf") ; Microsoft.Office.Interop.Excel.XlFixedFormatType paramExportFormat = Microsoft.Office.Interop.Excel.XlFixedFormatType.xlTypePDF; Microsoft.Office.Interop.Excel.XlFixedFormatQuality paramExportQuality = Microsoft.Office.Interop.Excel.XlFixedFormatQuality.xlQualityStandard; bool paramOpenAfterPublish = false; bool paramIncludeDocProps = true; bool paramIgnorePrintAreas = true; object paramFromPage = Type.Missing; object paramToPage = Type.Missing; try { // Open the source workbook. excelWorkBook = excelApplication.Workbooks.Open(paramSourceBookPath, paramMissing, paramMissing, paramMissing, paramMissing, paramMissing, paramMissing, paramMissing, paramMissing, paramMissing, paramMissing, paramMissing, paramMissing, paramMissing, paramMissing); //set alert to monitor program Response.Write("<script>alert('完成打开xlsx')</script>"); // Save it in the target format. if (excelWorkBook != null) excelWorkBook.ExportAsFixedFormat(paramExportFormat, paramExportFilePath, paramExportQuality, paramIncludeDocProps, paramIgnorePrintAreas, paramFromPage, paramToPage, paramOpenAfterPublish, paramMissing); //set alert to monitor program Response.Write("<script>alert('已经保存Pdf')</script>"); } catch (Exception ex) { // Respond to the error. Response.Write("<script>alert('运行出错"+ex.Message+"')</script>"); } finally { // Close the workbook object. if (excelWorkBook != null) { excelWorkBook.Close(false, paramMissing, paramMissing); excelWorkBook = null; } // Quit Excel and release the ApplicationClass object. if (excelApplication != null) { excelApplication.Quit(); excelApplication = null; } GC.Collect(); GC.WaitForPendingFinalizers(); GC.Collect(); GC.WaitForPendingFinalizers(); } }}------解决方案--------------------------------------------------------
Microsoft.Office.Interop.Excel.XlFixedFormatType paramExportFormat = Microsoft.Office.Interop.Excel.XlFixedFormatType.xlTypePDF;