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 数据库的连接和datatable类
代码实现打印功能(asp.net+javascript)
asp.net 读取xml文件里面的内容,绑定到dropdownlist中
asp.net 执行事务代码
asp.net 对中文汉字的加密与解密代码
asp.net 下载文件时输出文件内容
asp.net TextBox控件设置ReadOnly后,不能回传。
c# 执行事务函数代码
asp.net 面试 笔试题目[附答案]
asp.net利用google的api做翻译
asp.ne去除html的函数代码
C# 添加图片水印类实现代码
Silverlight融合ajax实现前后台数据交互
mssql 存储过程调用C#编写的DLL文件
asp.net 需要登陆的网站上下载网页源代码和文件
asp.net cookie的操作,写入、读取与操作
asp.net textarea换行函数代码
.NET发起web请求时维持Session
asp.net 身份验证(最简单篇)
asp.net 身份验证(分目录验证篇)

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: 217 ::
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