关于多层repeater,datagrid,datalist嵌套的示例-.NET教程,Asp.Net开发

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>&nbsp;&nbsp;&nbsp;&nbsp;第2层repeater,index:<%#container.dataitem%><br>
<asp:repeater id=”rpt_boardmaster” runat=”server”>
<itemtemplate>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;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