'参考 '把现在有的数据的 _identify 保存起来 Dim sz As new List(of String) For Each dr As DataRow In DataTables("表C").DataRows sz.Add(CStr( dr("_identify"))) Next Dim fl As String=""
If sz.Count >0 Then Dim jh() As String = sz.ToArray fl = " or [_identify] in(" & String.Join(",",jh) & ")" End If '加载完毕...