摘要： 导入EXCEL后批量更新数据的程序错误提示：Retrieving the COM class factory for component with CLSID {00024500-0000-0000-C000-000000000046} failed due to the following error: 80070005 拒绝访问。 (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED)).at _Default.GetExcelData(String FileName, Int32 str) 解决方法：需要配置好了相应的Excel的DCOM 阅读全文