当前位置: 首页 > 图文教程 > 网络编程 > ASP.NET > VB.net实现sql数据库的备份与恢复

ASP.NET
ASP.NET FORUMS换肤流程
关于webservice的异步调用简单实例
nhibernate数据加载之Criteria加载
C# 把指定控件显示在最上面
VB面向对象编程的一个简单的演示程序
关于如何利用COM+,来提高ASP执行权限的问题!
ASP.NET跨应用程序进行登录的解决
在快捷方式的右键菜单上添加打开所在目录的菜单项
XML简明教程(一)
使用自定义的数据源进行DataGrid控件的数据绑定
提供两种散列加密算法:MD5、SHA1。大小写敏感
把鼠标放在Form的边缘上不会出现可拉动
The custom tool 'CrystalDecisions.VSDesigner.CodeGen.ReportCodeGenerator' failed
Split的用法
利用XSD生成強類型類文件和描述文件
关于datagrid中的字符串转换
C#中来应用Hook
Get your Crystal report working on your customers server (Cannot find Keycod...
C#中如何插入照片到Excel
.net中Web自定义控件编写注意事项

ASP.NET 中的 VB.net实现sql数据库的备份与恢复


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-08-14   浏览: 118 ::
收藏到网摘: n/a

Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click '备份数据库 '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("备份成功") cn.Close()

End Sub

'恢复 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()) '杀死进程

str = "kill " & mydr("spid").ToString() cm1.CommandText = str cm1.CommandType = CommandType.Text Application.DoEvents() cm1.ExecuteNonQuery() '杀进程 End While mydr.Close() cm = New SqlCommand("RESTORE DATABASE JXbase FROM DISK='C:\Backup'", cn) '恢复备份 cm.ExecuteNonQuery() MsgBox("恢复成功成功") cn.Close() cn1.Close()

End Sub