repeater 嵌套

 Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        Dim dt As DataTable = New DataTable
        Dim sqlCom As SQLCommon = New SQLCommon
        dt = sqlCom.ExecuteQuery("SELECT * FROM tblProductCategory")
        Me.rptCategory.DataSource = dt
        Me.rptCategory.DataBind()

    End Sub

    Protected Sub rptCategory_ItemDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.RepeaterItemEventArgs) Handles rptCategory.ItemDataBound
        Dim sqlCom As SQLCommon = New SQLCommon
        Dim dt As DataTable = New DataTable

        If e.Item.ItemType = ListItemType.Item Or e.Item.ItemType = ListItemType.AlternatingItem Then
            Dim rep As System.Web.UI.WebControls.Repeater = e.Item.FindControl("rptSubCategory")
            Dim rowv As DataRowView = CType(e.Item.DataItem, DataRowView)
            Dim strKey As String = CType(rowv("productCategoryName"), String)
            dt = sqlCom.ExecuteQuery("SELECT * FROM tblProductSubCategory WHERE productCategoryName='" & strKey & "'")
            rep.DataSource = dt
            rep.DataBind()



        End If
    End Sub

 <form id="form1" runat="server">
        <asp:Repeater ID="rptCategory" runat="server">
            <ItemTemplate>
                <%#Eval("productCategoryName")%>   <br />
                <asp:Repeater ID="rptSubCategory" runat ="server" >
                <ItemTemplate >
                <div style ="color :Red;"><%#Eval("productSubCategoryName")%> </div>
                </ItemTemplate>
                </asp:Repeater>                           
            </ItemTemplate>
        </asp:Repeater>
    </form>