如题 Exception from HRESULT: 0x800A03EC 最终没有好的解决方案,只好屏蔽掉 Try obook.SaveAs(excelSaveName) Catch ex As System.Runtime.InteropServices.COMException '屏蔽掉Exception from HRESULT: 0x800A03EC End Try
In the old times while all the CPUs were 32bit, we were happily using JET OLEDB Provider reaching Excel or MDB files for long time without any issues. After we started using x64 CPUs and x64 Windows machines, we noticed that JET OLEDB Provider is not
spring jpa 实体互相引用返回restful数据循环引用报错的问题 Java实体里两个对象有关联关系,互相引用,比如,在一对多的关联关系里 Problem对象,引用了标签列表ProblemLabel ProblemLabel对象,引用了所属Problem 这样构成了互相引用,导致递归循环内存溢出异常: org.springframework.http.converter.HttpMessageNotWritableException: Could not write content: I
说来VB.Net这个也是之前的一个项目中用到的.今天拿来总结下用途,项目需求,不让在服务器安装Office办公软件.这个也是煞费了一顿. 主要的思路就是 在导出的时候,利用DataTable做中间变量导出 下边这个是使用时候的代码 getData()方法是我获取的DataTable "defaultPickUpLocation" 是表的名字 '導出Excel Protected Sub btnExport_Click(ByVal sender As Object, ByVal e As
执行如下语句: mysql> select * from users into outfile "F:\Develop\MySQL57\Uploads\users.txt" lines terminated by "\r\n"; 报错信息:ERROR 1290 (HY000): The MySQL server is running with the --secure-file-priv option so it cannot execute this sta