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VB編程+Access

Dim cnn1 As New ADODB.Connection ''定義壹個連接

Dim cmd1 As New ADODB.Command

Dim rst1 As New ADODB.Recordset '定義壹個記錄集

Public Sub Open_Database() '自定義過程 連接數據庫

Dim sFileName As String '聲明存放數據庫路徑的變量

sFileName = App.Path & "\" & "Water_Data.mdb" '使用app.path組合得到當前數據庫的絕對路徑

cnn1.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;" _

& " Data Source= " & sFileName & ";Persist Security Info=False" '數據庫連接串

cnn1.Open '連接數據庫

End Sub

Public Sub Close_Database() '關閉數據庫自定義過程

cnn1.Close ' 關閉數據庫

End Sub

Public Function Wait(ByVal TimeToWait As Long) 'Time In seconds

Dim EndTime As Long

EndTime = GetTickCount + TimeToWait * 1000 '* 1000 Cause u give seconds and GetTickCount uses Milliseconds

Do Until GetTickCount > EndTime

DoEvents

Loop

End Function

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