VB.NET DMO SQL SERVER备份恢复

王朝c#·作者佚名  2006-12-17
窄屏简体版  字體: |||超大  

Public Class Form1

Inherits System.Windows.Forms.Form

#Region " Windows 窗体设计器生成的代码 "

Public Sub New()

MyBase.New()

'该调用是 Windows 窗体设计器所必需的。

InitializeComponent()

'在 InitializeComponent() 调用之后添加任何初始化

End Sub

'窗体重写处置以清理组件列表。

Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)

If disposing Then

If Not (components Is Nothing) Then

components.Dispose()

End If

End If

MyBase.Dispose(disposing)

End Sub

'Windows 窗体设计器所必需的

Private components As System.ComponentModel.IContainer

'注意:以下过程是 Windows 窗体设计器所必需的

'可以使用 Windows 窗体设计器修改此过程。

'不要使用代码编辑器修改它。

Friend WithEvents ProgressBar1 As System.Windows.Forms.ProgressBar

Friend WithEvents Button1 As System.Windows.Forms.Button

<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()

Me.ProgressBar1 = New System.Windows.Forms.ProgressBar()

Me.Button1 = New System.Windows.Forms.Button()

Me.SuspendLayout()

'

'ProgressBar1

'

Me.ProgressBar1.Anchor = ((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Left) _

Or System.Windows.Forms.AnchorStyles.Right)

Me.ProgressBar1.Location = New System.Drawing.Point(8, 8)

Me.ProgressBar1.Name = "ProgressBar1"

Me.ProgressBar1.Size = New System.Drawing.Size(384, 23)

Me.ProgressBar1.TabIndex = 0

'

'Button1

'

Me.Button1.FlatStyle = System.Windows.Forms.FlatStyle.Flat

Me.Button1.Location = New System.Drawing.Point(160, 40)

Me.Button1.Name = "Button1"

Me.Button1.Size = New System.Drawing.Size(75, 24)

Me.Button1.TabIndex = 1

Me.Button1.Text = "备份"

'

'Form1

'

Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)

Me.BackColor = System.Drawing.Color.CornflowerBlue

Me.ClientSize = New System.Drawing.Size(400, 74)

Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Button1, Me.ProgressBar1})

Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedToolWindow

Me.MaximizeBox = False

Me.MinimizeBox = False

Me.Name = "Form1"

Me.ShowInTaskbar = False

Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen

Me.ResumeLayout(False)

End Sub

#End Region

'此处由于嫌麻烦未按属性来处理……应改进

Public sa As String

Public passerd As String

Public file As String

Public database As String

Public sqlserver As String

Public flag As Boolean = True

Private WithEvents PBackup As New SQLDMO.Backup()

Private WithEvents oRestore As New SQLDMO.Restore()

' Property SQLServerName() As String

' Get

' Return sqlserver

' End Get

' Set(ByVal Value As String)

' sqlserver = Value

' End Set

' End Property

'备份

Public Function BACKUP(ByVal DATABASENAME As String, ByVal SQLServe As String, ByVal ROLE As String, ByVal PASSWORD As String, ByVal backfilename As String)

Me.ProgressBar1.Value = 0

Me.BackColor = System.Drawing.Color.RoyalBlue

Me.Button1.Text = "备份"

Me.Show()

On Error GoTo ErrHandler

Dim SQLSER As New SQLDMO.SQLServer

SQLSER.Connect(SQLServe, ROLE, PASSWORD)

PBackup.Database = DATABASENAME

System.Windows.Forms.Cursor.Current = System.Windows.Forms.Cursors.WaitCursor

PBackup.Files = backfilename

PBackup.SQLBackup(SQLSER)

SQLSER.DisConnect()

SQLSER = Nothing

System.Windows.Forms.Cursor.Current = System.Windows.Forms.Cursors.Default

Exit Function

ErrHandler:

MsgBox("备份失败,请检查源数据库是否存在、角色权限是否足够或SQL SERVER服务是否被打开" & Chr(13) & "信息:" & Err.Description)

Resume Next

End Function

'恢复

Public Function RSTORE(ByVal DATABASENAME As String, ByVal SQLServe As String, ByVal ROLE As String, ByVal PASSWORD As String, ByVal restfilename As String)

Me.ProgressBar1.Value = 0

Me.BackColor = System.Drawing.Color.OliveDrab

Me.Button1.Text = "恢复"

Me.Show()

On Error GoTo ErrHandler

Dim SQLSER As New SQLDMO.SQLServer

SQLSER.Connect(SQLServe, ROLE, PASSWORD)

oRestore.Database = DATABASENAME

oRestore.Files = restfilename

System.Windows.Forms.Cursor.Current = System.Windows.Forms.Cursors.WaitCursor

oRestore.SQLRestore(SQLSER)

System.Windows.Forms.Cursor.Current = System.Windows.Forms.Cursors.Default

SQLSER.DisConnect()

SQLSER = Nothing

Exit Function

ErrHandler:

MsgBox("恢复失败,请检查恢复数据库是否存在、角色权限是否足够或SQL SERVER服务是否被打开" & Chr(13) & "信息:" & Err.Description)

Resume Next

End Function

Private Sub PBackup_Complete(ByVal Message As String) Handles PBackup.Complete

Me.ProgressBar1.Value = 100

PBackup = Nothing

Me.oRestore = Nothing

Me.Close()

End Sub

Private Sub PBackup_PercentComplete(ByVal Message As String, ByVal Percent As Integer) Handles PBackup.PercentComplete

Me.BackColor = System.Drawing.Color.RoyalBlue

Me.ProgressBar1.Value = Percent

If Percent = 100 Then

Me.ProgressBar1.Value = 100

PBackup = Nothing

Me.oRestore = Nothing

Me.Close()

End If

End Sub

Private Sub oRestore_Complete(ByVal Message As String) Handles oRestore.Complete

Me.ProgressBar1.Value = 100

PBackup = Nothing

Me.oRestore = Nothing

Me.Close()

End Sub

Private Sub oRestore_PercentComplete(ByVal Message As String, ByVal Percent As Integer) Handles oRestore.PercentComplete

Me.BackColor = System.Drawing.Color.OliveDrab

Me.ProgressBar1.Value = Percent

If Percent = 100 Then

Me.ProgressBar1.Value = 100

PBackup = Nothing

Me.oRestore = Nothing

Me.Close()

End If

End Sub

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

If flag = True Then

Me.BACKUP(Me.database, Me.sqlserver, Me.sa, Me.passerd, Me.file)

Else

Me.RSTORE(Me.database, Me.sqlserver, Me.sa, Me.passerd, Me.file)

End If

End Sub

End Class

 
 
 
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