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傳送更新:UpdateBatch 方法

下列程式代碼會將LockType屬性設定為adLockBatchOptimistic,並將 CursorLocation 設定為adUseClient,以批次模式開啟 Recordset。 它會新增兩筆新記錄,並變更現有記錄中的欄位值、儲存原始值,然後呼叫 UpdateBatch 將變更傳回數據源。

備註

'BeginBatchUpdate  
    strConn = "Provider=SQLOLEDB;Initial Catalog=Northwind;" & _  
              "Data Source=MySQLServer;Integrated Security=SSPI;"  
  
    strSQL = "SELECT ShipperId, CompanyName, Phone FROM Shippers"  
  
    Set objRs1 = New ADODB.Recordset  
    objRs1.CursorLocation = adUseClient  
    objRs1.Open strSQL, strConn, adOpenStatic, adLockBatchOptimistic, adCmdText  
  
    ' Change value of Phone field for first record in Recordset, saving value  
    ' for later restoration.  
    intId = objRs1("ShipperId")  
    sPhone = objRs1("Phone")  
  
    objRs1("Phone") = "(111) 555-1111"  
  
    'Add two new records  
    For i = 0 To 1  
        objRs1.AddNew  
        objRs1(1) = "New Shipper #" & CStr((i + 1))  
        objRs1(2) = "(nnn) 555-" & i & i & i & i  
    Next i  
  
    ' Send the updates  
    objRs1.UpdateBatch  
'EndBatchUpdate  

如果您在呼叫 UpdateBatch 方法時編輯當前記錄或新增新記錄,ADO 會自動呼叫 Update 方法,將任何暫止的變更儲存至目前記錄,再將批次變更傳送至提供者。

另請參閱

批次模式