VB操作ACCESS資料庫代碼

'VB引用項目如下:
'Microsoft ADO Ext. 2.8 for DDL and Security
'Microsoft ActiveX Data Objects 2.8 Library
'COM+ Services Type Library
'Microsoft DAO 3.6 Object Library
Sub CreateDatabase(mdbPath, mdbPassword)

Dim cat As New ADOX.Catalog
If mdbPassword = "" Then
cat.Create "Provider=Microsoft.Jet.OLEDB.4.0;Password=;Data Source" & mdbPath & ";"
Else
cat.Create "Provider=Microsoft.Jet.OLEDB.4.0;Password=" & mdbPassword & ";Data Source=" & mdbPath & ";"
'cat.Create "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & mdbPath & ";"
End If
MsgBox "資料庫" & mdbPath & "建立成功", vbOKOnly
'Set wspDefault = DBEngine.Workspaces(0)
'Set dbs = wspDefault.CreateDatabase("Newdb.mdb", _
'dbLangGeneral & ";pwd=NewPassword", dbEncrypt)

End Sub

Sub CreateTable(mdbPath, mdbTableName, mdbSqlColumns, mdbPrimaryKey)
'建立列的sql語句
'mdbPath="c:/test.mdb"
'mdbTableName="User"
'mdbSqlColumns="ID,adInteger;UserName,adVarWChar,20;Password,adVarWChar,20"
'mdbPrimaryKey="ID"
Dim tbl As New Table
Dim cat As New ADOX.Catalog
Dim con As ADODB.Connection
cat.ActiveConnection = "Provider=Microsoft.Jet.OLEDB.4.0;Password=;Data Source=" & mdbPath & ";"

Dim ArrayColumn As String
tbl.Name = mdbTableName

'添加資料表欄位(欄位格式:欄位名 欄位類別，欄位長度；最末欄位沒有分號)
    ArrayTotalColumn = Split(mdbSqlColumns, ";", -1, 1)
    For i = 0 To UBound(ArrayTotalColumn)
    ArraySingleColumn = Split(ArrayTotalColumn(i), ",", -1, 1)
    If UBound(ArraySingleColumn) = 1 Then
    'tbl.Columns.Append ArraySingleColumn(0), ArraySingleColumn(1)
    tbl.Columns.Append ArraySingleColumn(0), adInteger
    Else
    'tbl.Columns.Append ArraySingleColumn(0), ArraySingleColumn(1), ArraySingleColumn(2)
    tbl.Columns.Append ArraySingleColumn(0), adVarWChar, CInt(ArraySingleColumn(2))
    End If
    Next

'設定資料表主鍵
'tbl.Columns(mdbPrimaryKey).Properties("AutoIncrement") = True
cat.Tables.Append tbl
 
'設定列的必填屬性為“否”
'tbl.Columns("Weight").Attributes = adColNullable
'設定列的允許Null 字元串為“是”
'tbl.Columns("FirstName").Properties("Jet OLEDB:Allow Zero Length") = True
    Set tbl = Nothing
    Set cat = Nothing
MsgBox "資料表" & mdbPath & "-" & mdbTableName & "建立成功", vbOKOnly
End Sub

'這個準備編寫成一個類。
'其實作用跟我上次編寫的ASP操作ACCESS資料庫大全性質和功能基本相似
'資料庫--建立，刪除，壓縮，修複，設定密碼，資料庫檔案存在判斷，讀取'
'資料表--建立，刪除，資料表名稱讀取，判斷，刪除，更新
'資料欄位--建立，修改，主鍵，允許為空白，長度，外鍵，索引，欄位名列表，判斷，屬性設定