所需组件: microsoft ado ext. 2.8 for ddl and security 或者更新的组件. 添加: using ADOX;using System.Runtime.InteropServices;using System.IO; 然后利用OleDbCommand组件,设置其2个链接,一个链接负责查找并打开excel数据源,另一个链接负责将数据源插入到MDB文件中. 操作页面: 后台源码: private void button1_Click(object sender,…

Use  Poi.jar Import Data from *.xlsx file to DB Table through OAF page Use Jxl.jar Import Data from Excel sheet to DB Table through OAF page…

当本地安装的excel(2013版) 是64-bit时:出现的以下两种错误 解决: 1. excel 导入数据库 , 如果文件是2007则会出现:“The 'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine” , (文件是1997-2003类型的没有问题) 2.  SSIS 中 excel data source 建立数据源无法识别其中的sheet ==>解决办法都是 需要去微软官方网站下载并安装驱…

最近在思考和实践怎样应用重复数据删除技术到云存储服务中.找了些论文来读,其中<Avoiding the Disk Bottleneck in the Data Domain Deduplication File System>是鼎鼎大名的李凯教授出品,读来收益匪浅. 论文主要内容 Data Domain的去重存储系统是商业上大获成功的产品,从产品的角度来讲非常完善,其架构图如下: 去重存储系统在数据存储和重建的过程中,都需要频繁地访问数据块的索引,即图中的Segment Index.为了降低成…

今天在做EXCEL打印读取模板时报错了,错误信息如下: Microsoft Excel cannot access the file 'D:\xx.xlsx'. There are several possible reasons: • The file name or path does not exist. • The file is being used by another program. • The workbook you are trying to save has the sa…

BW数据库后台报错如下:F:\oracle\SBP\saptrace\diag\rdbms\sbp\sbp\trace ORA-01578: ORACLE data block corrupted (file # 29, block # 2889087)ORA-01110: data file 29: 'G:\ORACLE\SBP\SAPDATA2\SR3_18\SR3.DATA18'ORA-26040: Data block was loaded using the NOLOGGING opt…

original link Microsoft Office Excel cannot access the file ‘c:\file.xlsx’. There are several possible reasons:• The file name or path does not exist.• The file is being used by another program.• The workbook you are trying to save has the same name…

警告日志中发现如下报错信息: ORA-01578: ORACLE data block corrupted (file # 3, block # 1675)ORA-01110: data file 3: '/u01/app/oracle/oradata/PROD1/undotbs01.dbf' 报错提示为:undo表空间第1675个数据块出现损坏. 解决方法: 1.创建新的undo表空间undotbs2 SQL> create undo tablespace UNDOTBS2 datafile…

背景-原代码如下,期望能自动创建excel,并且可以反复调用编辑: import xlwt,osfrom openpyxl.styles import Font, colors class Write_excel(object): """修改excel数据""" def __init__(self, filename): self.filename = filename def write(self, row_n, col_n, value):…

package com.android.utils; import java.io.File; import java.io.IOException; import java.io.RandomAccessFile; import java.util.Arrays; import android.app.Activity; import android.util.Log; /** * 在一些对数据实时性要求比较高的场合,如随时可能断电的场合下,同时需要将数据写入文件中, * 这个时候,我们不希望…