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
.net数据库连接池配置技巧(默认值)
.NET 数据库连接池
asp.net sqlconnection con.close和con.dispose区别
ASP.NET 多次提交的解决办法
ASP.NET 多次提交的解决办法2
firebird Embedded模式(.net 3.5)
js 父页中的单选按钮取值
js控制.net验证控件是否可用。
ASP.NET AJAX时用alert弹出对话框
aspx 中文汉字显示为乱码
C# 小数位数保留的方法集锦
C# Math.Round()函数问题
C# ToString格式大全
ASP.net Forms验证Demo
asp.net 文章内容分页显示的代码
asp.net两级联动(包含添加和修改)
TreeView创建IHierarchicalDataSource类型的数据源实现
ASP.NET输出PNG图片时出现GDI+一般性错误的解决方法
Ajax.net 显示错误信息的设置
asp.net ListView 数据绑定

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: 183 ::
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