Tables("窗口1_Table1").Select(0,0) Select Case e.Node.Name Case "表A" Tables("窗口1_Table1").DataSource = DataTables("表A") Case "表B" Tables("窗口1_Table1").DataSource = DataTables("表B") Case "表C" Tables("窗口1_Table1").DataSource = DataTables("表C") Case "表D" Tables("窗口1_Table1").DataSource = DataTables("表D") End Select