linkbutton event is not firing in repeater

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VB

ASP.NET

Hi

<asp:Repeater ID="repCategory" runat="server">
        <ItemTemplate >
        <%-- <h3>Fund: <%# Eval("NAME") %></h3>--%>
        <h3><asp:LinkButton ID="lnkFundas" runat="server" Text='<%# Eval("NAME") %>' CommandArgument ='<%# Eval("NAME") %>' Height="20px" Width="200px"  OnClick = "OnConfirm" /></h3>

     <div id="dd" style ="width:auto;">
            <asp:GridView ID="rep_DataSimilarToBacthid" runat="server" BackColor="White"
                                    Width="100%" Font-Size="X-Small" Font-Names="Verdana" CssClass="mobilegrid valuation footergap grid-100 tablet-grid-100" AutoGenerateColumns="false">
                                     <RowStyle BackColor="Gainsboro" />
                                    <AlternatingRowStyle BackColor="White" />
                                    <HeaderStyle BackColor="#0083C1" ForeColor="White" />
                <Columns>
                    <asp:BoundField HeaderText="fundstype" DataField="FUNDSTYPE" />
                    <asp:BoundField HeaderText="fol_n" DataField="FOL_NUM" />
                    <asp:BoundField HeaderText="schemes" DataField="SCHEMES" />
                </Columns>

            </asp:GridView>

            </div>

    </ItemTemplate>
        </asp:Repeater>

this is my code , the problem is the link button event is not firing. if i delete the grid control its working fine, but if if i using both linkbutton and gridview , the linkbutton is not firing