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Private Sub Form_BeforeUpdate(Cancel As Integer)
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If Me.NewRecord Then
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Dim strSQL As String
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strSQL = "SELECT MAX(Seq) AS Seq " & _
"FROM PurchaseDetails " & _
"WHERE PurchaseID = '" & Form_¶i³f³æºûÅ@![PurchaseID] & "' "
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Dim rst As ADODB.Recordset
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Set rst = New ADODB.Recordset
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rst.Open strSQL, CurrentProject.Connection
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Dim MaxSeq As Integer
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MaxSeq = Val(rst.GetString)
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Me![Seq] = MaxSeq + 1
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rst.Close
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Set rst = Nothing
End If
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Me![SubTotal] = Me![Quantity] * Me![Price]
End Sub |
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