Repeater control nesting in Asp.net

<Asp: repeater id = "repeater1" runat = "server" onitemdatabound = "repeaterincluitemdatabound">

<Headertemplate> <ul>

<Itemtemplate>

<Li> <% # eval ("cate_name") %>

<Asp: repeater id = "repeater2" runat = "server">

<Headertemplate> <ul>

<Itemtemplate>

<Li> <% # eval ("art_title") %> </LI>

</Itemtemplate>

<Footertemplate> </ul> </footertemplate>

</ASP: repeater>

</LI>

</Itemtemplate>

<Footertemplate> </ul> </footertemplate>

</ASP: repeater>

BackendCode:

Protected void page_load (Object sender, eventargs E)

{

If (! Ispostback)

{

Using (sqlconnection conn = new sqlconnection ())

{

Conn. connectionstring = configurationmanager. connectionstrings ["testdbconnectionstring"]. connectionstring;

Conn. open ();

Using (sqldataadapter da = new sqldataadapter ("select * from category", Conn ))

{

Dataset DS = new dataset ();

Da. Fill (DS );

Repeater1.datasource = Ds;

Repeater1.databind ();

}

}

}

}

Protected void repeaterincluitemdatabound (Object sender, repeateritemeventargs E)

{

If (E. Item. itemtype = listitemtype. Item | E. Item. itemtype = listitemtype. alternatingitem)

{

Repeater rep = E. Item. findcontrol ("repeater2") as repeater;

Datarowview rowv = (datarowview) E. Item. dataitem;

Int cate_id = convert. toint32 (rowv ["cate_id"]);

Using (sqlconnection conn = new sqlconnection ())

{

Conn. connectionstring = configurationmanager. connectionstrings ["testdbconnectionstring"]. connectionstring;

Conn. open ();

Using (sqldataadapter da = new sqldataadapter ("select * from article where owner_id =" + cate_id, Conn ))

{

Dataset DS = new dataset ();

Da. Fill (DS );

Rep. datasource = Ds;

Rep. databind ();

}

}

}

}

The nesting of two repeater, which is associated with the nested part by ID, and the output is as follows: