Question

Microsoft.Office.Interop.Excel.ApplicationClass的 COM 对象强制转换为接口类型

Microsoft.Office.Interop.Excel.ApplicationClass的 COM 对象强制转换为接口类型“Microsoft.Office.Interop.Excel._Application”。此操作失败的原因是对 IID 为“{000208D5-0000-0000-C000-000000000046}”的接口的 COM 组件调用 QueryInterface 因以下错误而失败: 加载类型库/DLL 时出错。 (异常来自 HRESULT:0x80029C4A (TYPE_E_CANTLOADLIBRARY))。

1 VERSIONINFO
FILEVERSION 14,0,4756,1000
PRODUCTVERSION 14,0,4756,0
FILEOS 0x40004
FILETYPE 0x1
{
BLOCK "StringFileInfo"
{
BLOCK "000004E4"
{
VALUE "CompanyName", "Microsoft Corporation"
VALUE "FileDescription", "Microsoft.Office.Interop.Excel"
VALUE "FileVersion", "14.0.4756.1000"
VALUE "InternalName", "Excel Primary Interop Assembly"
VALUE "LegalCopyright", "? 2010 Microsoft Corporation. All rights reserved."
VALUE "LegalTrademarks1", "Microsoft? is a registered trademark of Microsoft Corporation."
VALUE "LegalTrademarks2", "Windows? is a registered trademark of Microsoft Corporation."
VALUE "OriginalFilename", "Excel Primary Interop Assembly"
VALUE "ProductName", "Microsoft Office 2010"
VALUE "ProductVersion", "14.0.4756.1000"
}
}
BLOCK "VarFileInfo"
{
VALUE "Translation", 0x0000 0x04E4
}
}

Answer 1

你看看你"引用"下面的Microsoft.Office.Interop.Excel版本是否为14的（查看方法为选中Microsoft.Office.Interop.Excel右键—属性），换为12的

Answer 2

What can I do