backup.vb

本文件为进销存管理系统的代码 在VB的环境下运行 用比较简单的结构完成的

Public Class BackUp
    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 dispose 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 CmdOK As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents ProgressBar1 As System.Windows.Forms.ProgressBar
    Friend WithEvents OpenFileDialog1 As System.Windows.Forms.OpenFileDialog
    Friend WithEvents Label1 As System.Windows.Forms.Label
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.CmdOK = New System.Windows.Forms.Button
        Me.Button2 = New System.Windows.Forms.Button
        Me.ProgressBar1 = New System.Windows.Forms.ProgressBar
        Me.OpenFileDialog1 = New System.Windows.Forms.OpenFileDialog
        Me.Label1 = New System.Windows.Forms.Label
        Me.SuspendLayout()
        '
        'CmdOK
        '
        Me.CmdOK.Location = New System.Drawing.Point(72, 104)
        Me.CmdOK.Name = "CmdOK"
        Me.CmdOK.TabIndex = 2
        Me.CmdOK.Text = "备 份"
        '
        'Button2
        '
        Me.Button2.Location = New System.Drawing.Point(216, 104)
        Me.Button2.Name = "Button2"
        Me.Button2.TabIndex = 4
        Me.Button2.Text = "还 原"
        '
        'ProgressBar1
        '
        Me.ProgressBar1.Location = New System.Drawing.Point(48, 48)
        Me.ProgressBar1.Name = "ProgressBar1"
        Me.ProgressBar1.Size = New System.Drawing.Size(288, 23)
        Me.ProgressBar1.TabIndex = 5
        '
        'Label1
        '
        Me.Label1.Font = New System.Drawing.Font("宋体", 12.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(134, Byte))
        Me.Label1.ForeColor = System.Drawing.SystemColors.ActiveCaption
        Me.Label1.Location = New System.Drawing.Point(152, 16)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(80, 16)
        Me.Label1.TabIndex = 6
        Me.Label1.Text = "备份进度"
        '
        'BackUp
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(384, 150)
        Me.Controls.Add(Me.Label1)
        Me.Controls.Add(Me.ProgressBar1)
        Me.Controls.Add(Me.Button2)
        Me.Controls.Add(Me.CmdOK)
        Me.MaximizeBox = False
        Me.Name = "BackUp"
        Me.ShowInTaskbar = False
        Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent
        Me.Text = "数据库备份"
        Me.ResumeLayout(False)

    End Sub

#End Region


    Private Sub CmdOK_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CmdOK.Click
        BackUpDB.DBBackUp(ProgressBar1)
        Me.Close()
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Dim filepath As String
        OpenFileDialog1.Filter = "数据库文件|* .bak"
        If (OpenFileDialog1.ShowDialog() = System.Windows.Forms.DialogResult.OK) Then
            filepath = OpenFileDialog1.FileName
            BackUpDB.DbRestore(ProgressBar1, filepath)
        End If
    End Sub
End Class