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VB.Net中动态创建Access数据库

王朝vb·作者佚名  2006-01-09
窄屏简体版  字體: |||超大  

Imports ADOX Module Module1 Public Function CreateAccessDB(ByVal NewDBPathName As String) As Integer

Dim i As Integer = 1

Dim cat As Catalog = New Catalog()

Try

cat.Create("Provider=Microsoft.Jet.OLEDB.4.0;" & _

"Data Source=" & NewDBPathName & _

"Jet OLEDB:Engine Type=5") 'Console.WriteLine("Database Created Successfully")

Catch

i = 0

MsgBox("错误号 : " & Err.Number.ToString & "错误描述:" & Err.Description.ToString) End Try

cat = Nothing

Return i

End Function End Module Imports System.IO

Imports ADOX Public Class Form1

Inherits System.Windows.Forms.Form

Dim filename As String = "" #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 Button1 As System.Windows.Forms.Button

Friend WithEvents SaveFileDialog1 As System.Windows.Forms.SaveFileDialog

Friend WithEvents SaveFileDialog2 As System.Windows.Forms.SaveFileDialog

Friend WithEvents Button2 As System.Windows.Forms.Button

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

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

Me.SaveFileDialog1 = New System.Windows.Forms.SaveFileDialog()

Me.SaveFileDialog2 = New System.Windows.Forms.SaveFileDialog()

Me.Button2 = New System.Windows.Forms.Button()

Me.SuspendLayout()

'

'Button1

'

Me.Button1.Location = New System.Drawing.Point(160, 104)

Me.Button1.Name = "Button1"

Me.Button1.Size = New System.Drawing.Size(232, 48)

Me.Button1.TabIndex = 0

Me.Button1.Text = "创建access数据库"

'

'SaveFileDialog1

'

Me.SaveFileDialog1.FileName = "doc1"

'

'SaveFileDialog2

'

Me.SaveFileDialog2.FileName = "doc1"

'

'Button2

'

Me.Button2.Location = New System.Drawing.Point(160, 192)

Me.Button2.Name = "Button2"

Me.Button2.Size = New System.Drawing.Size(224, 56)

Me.Button2.TabIndex = 1

Me.Button2.Text = "build dataase"

'

'Form1

'

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

Me.ClientSize = New System.Drawing.Size(592, 286)

Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Button2, Me.Button1})

Me.Name = "Form1"

Me.Text = "Form1"

Me.ResumeLayout(False) End Sub #End Region Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

Dim str1 As String = "d:\mrfu\newaccess"

Dim str2 As String = "newAccess" If File.Exists("d:\mrfu\newmdb.mdb") Then

MsgBox("the file have exists !")

Exit Sub End If

If CreateAccessDB(str1) Then

MsgBox("sucess!")

Else

MsgBox("failed!") End If

'me.SaveFileDialog1 End Sub Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click With Me.SaveFileDialog1

.AddExtension = True .DefaultExt = "mdb"

.CheckPathExists = True

.Filter = "(Access数据库)*.mdb|*.mdb"

.OverwritePrompt = True .FilterIndex = 1

End With

If Me.SaveFileDialog1.ShowDialog() = DialogResult.OK Then

filename = Me.SaveFileDialog1.FileName

If filename <> "" Then

MsgBox(filename)

Else

Exit Sub End If

End If If File.Exists(filename) Then

MsgBox("the file have exists !")

File.Delete(filename)

MsgBox("had delete!") End If filename = filename & ";"

MsgBox(filename) If CreateAccessDB(filename) Then

MsgBox("sucess!")

Else

MsgBox("failed!") End If

End Sub

End Class

 
 
 
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