国产探花免费观看_亚洲丰满少妇自慰呻吟_97日韩有码在线_资源在线日韩欧美_一区二区精品毛片,辰东完美世界有声小说,欢乐颂第一季,yy玄幻小说排行榜完本

首頁 > 編程 > .NET > 正文

在VB.net中實現sql數據庫的備份與恢復

2024-07-10 13:12:58
字體:
來源:轉載
供稿:網友

private sub button3_click(byval sender as system.object, byval e as system.eventargs) handles button3.click '備份數據庫 'backup database test to disk='c:/backup' with format dim cn as sqlconnection dim cm as sqlcommand cn = getdb() cm = new sqlcommand("backup database jxbase to disk='c:/backup ' with format", cn) cn.open() cm.executenonquery() msgbox("備份成功") cn.close()

end sub

'恢復 private sub button6_click(byval sender as system.object, byval e as system.eventargs) handles button6.click dim cn as new sqlconnection dim cn1 as new sqlconnection dim mydr as sqldatareader dim str as string

 dim tmpconnectionstring as string = "data source=jjk;initial catalog=master;integrated security=true" cn.connectionstring = tmpconnectionstring cn1.connectionstring = tmpconnectionstring cn.open() cn1.open() dim cm as sqlcommand = new sqlcommand("select spid from master..sysprocesses where dbid=db_id('jxbase')", cn) mydr = cm.executereader()

dim cm1 as sqlcommand = new sqlcommand() cm1.connection = cn1

while (mydr.read()) '殺死進程

str = "kill " & mydr("spid").tostring() cm1.commandtext = str cm1.commandtype = commandtype.text application.doevents() cm1.executenonquery() '殺進程 end while mydr.close() cm = new sqlcommand("restore database jxbase from disk='c:/backup'", cn) '恢復備份 cm.executenonquery() msgbox("恢復成功成功") cn.close() cn1.close()

end sub

最大的網站源碼資源下載站,

發表評論 共有條評論
用戶名: 密碼:
驗證碼: 匿名發表
主站蜘蛛池模板: 松桃| 常宁市| 千阳县| 丹寨县| 广西| 罗平县| 通州市| 乌拉特后旗| 鲁甸县| 凉城县| 扬中市| 蒙城县| 宜兴市| 北辰区| 长春市| 辉南县| 柯坪县| 湟中县| 东方市| 辽中县| 青海省| 炎陵县| 灵丘县| 沙坪坝区| 遵义县| 伊宁市| 孝义市| 龙川县| 松桃| 米泉市| 松桃| 剑河县| 仙桃市| 泊头市| 石林| 景谷| 宜良县| 宁远县| 安国市| 都昌县| 景泰县|