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我正在尝试从我的 ASP.NET 应用程序访问 Excel 宏。当我尝试在 Visual Studio 中本地运行它时,它工作得很好,但是一旦我将它部署到我的 IIS 网络服务器上,我就会收到以下错误:

ASP.NET 错误

我正在使用 Interop.Microsoft.Office.Interop.Excel.dll 类来访问 Excel 文件并像这样运行宏:

        // Create an instance of Microsoft Excel, make it visible, and open AquaticChemistry
    Excel.ApplicationClass oExcel = new Excel.ApplicationClass();
    oExcel.Visible = true;
    Excel.Workbooks oBooks = oExcel.Workbooks;
    Excel._Workbook oBook = null;

    String excelFile = Server.MapPath("AquaticChemistry_DrinkingWater.xlsm");

    oBook = oBooks.Open(excelFile, oMissing, oMissing,
        oMissing, oMissing, oMissing, oMissing, oMissing, oMissing, 
        oMissing, oMissing, oMissing, oMissing, oMissing, oMissing);

    // Run the macro Phreeqc
    RunMacro(oExcel, new Object[] { "RunPhreeqc", Server.MapPath("phreeqc_wt.dat") });

    // Save and quit Excel and clean up
    oBook.Save();
    oBook.Close(false, oMissing, oMissing);

我试图让网络服务帐户访问 Excel 文件,但没有帮助。有什么建议么?

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