常常在CSDN上看到有网友问如何才能实现Repeater,DataList, DataGrid的嵌套问题,下面给出一个3层嵌套的示例,可以无限级嵌套下去 <ASP:REPEATER id="rpt_catalog" onitemdatabound="rpt_catalog_OnItemDataBound" runat="server"> <ITEMTEMPLATE>最顶层repeater,index:<%#Container.DataItem%><BR> <ASP:REPEATER id="rpt_board" onitemdatabound="rpt_board_OnItemDataBound" runat="server"> <ITEMTEMPLATE> 第2层repeater,index:<%#Container.DataItem%><BR> <ASP:REPEATER id="rpt_boardmaster" runat="server"> <ITEMTEMPLATE> 第3层repeater,index:<%#Container.DataItem%><BR> </ITEMTEMPLATE> </ASP:REPEATER> </ITEMTEMPLATE> </ASP:REPEATER> </ITEMTEMPLATE> </ASP:REPEATER> Private intFirst As Integer Private intSecond As Integer Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load 'Put user code to initialize the page here Dim al As New ArrayList al.Add(0) al.Add(1) rpt_catalog.DataSource = al rpt_catalog.DataBind() End Sub Sub rpt_catalog_OnItemDataBound(ByVal sender As Object, ByVal e As RepeaterItemEventArgs) Dim rpt As Repeater rpt = e.Item.FindControl("rpt_board") intFirst = e.Item.ItemIndex Dim al As New ArrayList al.Add(intFirst & ".0") al.Add(intFirst & ".1") rpt.DataSource = al rpt.DataBind() End Sub Sub rpt_board_OnItemDataBound(ByVal sender As Object, ByVal e As RepeaterItemEventArgs) Dim rpt As Repeater rpt = e.Item.FindControl("rpt_boardmaster") intSecond = e.Item.ItemIndex Dim al As New ArrayList al.Add(intFirst & "." & intSecond & ".0") al.Add(intFirst & "." & intSecond & ".1") rpt.DataSource = al rpt.DataBind() End Sub 代码经过测试,但请自行优化 
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