哪位老兄，帮小弟看下代码。设计了nurbar联动页面集合 与 nurbar联动表格切换的两段代码。代码没报错，但切换效果出不来，请哪位帮小弟诊断诊断。nurbar在侧边窗口，页面集合在主窗口；表格是普通表格。

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Dim bar As WinForm.NavBar = e.sender
Select Case bar.SelectedPage.ButtonText
Case "页面1"
MainTable = Tables("表A")
Case "页面2"
MainTable = Tables("表B")
Case "页面3"
MainTable = Tables("表C")
End Select

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Dim tab As WinForm.TabControl = Forms("主窗口").Controls("TabControl1")
Dim bar As WinForm.NavBar = e.sender
Select Case bar.SelectedPage.ButtonText
Case "任务总目录"
tab.SelectedIndex = 0
Case "任务进度条"
tab.SelectedIndex = 1
Case "写手客户信息"
tab.SelectedIndex = 2

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此主题相关图片如下：页面集合和nurbar.jpg