分开几次加载
DataTables("表B").loadfilter = "1=2"
DataTables("表B").load
Dim t As Table = Tables("表A")
Dim ids As String
For i As Integer = 1 To t.rows.count
Dim r As Row = t.rows(i-1)
ids = ids & ",'" & r("第二列") & "'"
If i Mod 1000 = 0 Then
ids= ids.Trim(",")
DataTables("表B").RemoveFor("第二列 In (" & ids & ")")
DataTables("表B").AppendLoad("第二列 In (" & ids & ")", False)
ids = ""
End If
Next
ids= ids.Trim(",")
DataTables("表B").RemoveFor("第二列 In (" & ids & ")")
DataTables("表B").AppendLoad("第二列 In (" & ids & ")", False)
ids = ""