VB.NET DMO SQL SERVER
備份恢複 Public Class Form1 Inherits System.Windows.Forms.Form#Region " Windows 表單設計器產生的程式碼 " Public Sub New()
MyBase.New() '該調用是 Windows 表單設計器所必需的。
InitializeComponent() '在 InitializeComponent() 調用之後添加任何初始化 End Sub '表單重寫處置以清理組件列表。
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 表單設計器所必需的
Private components As System.ComponentModel.IContainer '注意:以下過程是 Windows 表單設計器所必需的
'可以使用 Windows 表單設計器修改此過程。
'不要使用代碼編輯器修改它。
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 = "備份"
'
'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 '此處由於嫌麻煩未按屬性來處理……應改進
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
'備份
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 = "備份"
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 FunctionErrHandler: MsgBox("備份失敗,請檢查來源資料庫是否存在、角色許可權是否足夠或SQL SERVER服務是否被開啟" & Chr(13) & "資訊:" & Err.Description)
Resume Next
End Function '恢複
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 = "恢複"
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 FunctionErrHandler:
MsgBox("恢複失敗,請檢查恢複資料庫是否存在、角色許可權是否足夠或SQL SERVER服務是否被開啟" & Chr(13) & "資訊:" & 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