asp.net将Excel文档转换成pdf

    /**//// <summary>
    /// 把Excel文件转换成pdf文件
    /// </summary>
    /// <param name="sourcePath">需要转换的文件路径和文件名称</param>
    /// <param name="targetPath">转换完成后的文件的路径和文件名名称</param>
    /// <returns></returns>
    public static bool ExcelToPdf(string sourcePath, string targetPath)
    ...{
        bool result = false;
        XlFixedFormatType xlTypePDF = XlFixedFormatType.xlTypePDF;//转换成pdf
        object missing = Type.Missing;
        Microsoft.Office.Interop.Excel.ApplicationClass applicationClass = null;
        Workbook workbook = null;
        try
        ...{
            applicationClass = new Microsoft.Office.Interop.Excel.ApplicationClass();
            string inputfileName = sourcePath;//需要转格式的文件路径
            string outputFileName = targetPath;//转换完成后PDF文件的路径和文件名名称
            XlFixedFormatType xlFixedFormatType = xlTypePDF;//导出文件所使用的格式
            XlFixedFormatQuality xlFixedFormatQuality = XlFixedFormatQuality.xlQualityStandard;//1.xlQualityStandard:质量标准，2.xlQualityMinimum;最低质量
            bool includeDocProperties = true;//如果设置为True，则忽略在发布时设置的任何打印区域。
            bool openAfterPublish = false;//发布后不打开
            workbook = applicationClass.Workbooks.Open(inputfileName, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing);
            if (workbook!=null)
            ...{
                workbook.ExportAsFixedFormat(xlFixedFormatType, outputFileName, xlFixedFormatQuality, includeDocProperties, openAfterPublish, missing, missing, missing, missing);
            }
            result = true;
        }
        catch
        ...{
            result = false;
        }
        finally
        ...{
            if (workbook != null)
            ...{
                workbook.Close(true, missing, missing);
                workbook = null;
            }
            if (applicationClass != null)
            ...{
                applicationClass.Quit();
                applicationClass = null;
            }
        }
        return result;
    }

		

/**//// <summary>
    /// 把Excel文件转换成pdf文件
    /// </summary>
    /// <param name="sourcePath">需要转换的文件路径和文件名称</param>
    /// <param name="targetPath">转换完成后的文件的路径和文件名名称</param>
    /// <returns></returns>
    public static bool ExcelToPdf(string sourcePath, string targetPath)
    ...{
        bool result = false;
        XlFixedFormatType xlTypePDF = XlFixedFormatType.xlTypePDF;//转换成pdf
        object missing = Type.Missing;
        Microsoft.Office.Interop.Excel.ApplicationClass applicationClass = null;
        Workbook workbook = null;
        try
        ...{
            applicationClass = new Microsoft.Office.Interop.Excel.ApplicationClass();
            workbook = applicationClass.Workbooks.Open(sourcePath, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing);
            if (workbook != null)
            ...{
                workbook.ExportAsFixedFormat(xlTypePDF, targetPath, XlFixedFormatQuality.xlQualityStandard, true, false, missing, missing, missing, missing);
            }
            result = true;
        }
        catch
        ...{
            result = false;
        }
        finally
        ...{
            if (workbook != null)
            ...{
                workbook.Close(true, missing, missing);
                workbook = null;
            }
            if (applicationClass != null)
            ...{
                applicationClass.Quit();
                applicationClass = null;
            }
        }
        return result;
    }