Placed a linkbutton as item template of gridview.So No data exported to excel from a grid view source

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ASP.NET

I can export from a gridview when no item templates placed inside gridview But now I need to add a linkbutton as Item Template ,Then blank file is exporting.

source code as below

<asp:GridView ID="grdBorrowerMaster" runat="server" AllowPaging="True" AutoGenerateColumns="False"
        CssClass="GridFont1" OnPageIndexChanging="grdBorrowerMaster_PageIndexChanging"
        OnSelectedIndexChanged="grdBorrowerMaster_SelectedIndexChanged" PageSize="20"
        Width="500px">
        <Columns>
            <asp:TemplateField HeaderText="Borrower Name" ShowHeader="False">
                <ItemTemplate>
                    <asp:LinkButton ID="LinkButton1" runat="server" CausesValidation="False" CommandName="Select"
                        Text='<%# Bind("NameAll") %>'></asp:LinkButton>
                </ItemTemplate>
            </asp:TemplateField>
            <asp:TemplateField HeaderText="Applied Date">
                <EditItemTemplate>
                    <asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("CurrDate") %>'></asp:TextBox>
                </EditItemTemplate>
                <ItemTemplate>
                    <asp:Label ID="Label1" runat="server" Text='<%# Bind("CurrDate","{0:MM/dd/yyyy}") %>'></asp:Label>
                    <asp:Label ID="lblBorrowerId" runat="server" Text='<%# Bind("BorrowerId") %>' Visible="False"></asp:Label>
                </ItemTemplate>
            </asp:TemplateField>
            <asp:BoundField DataField="NameAll" HeaderText="Borrower Name" Visible="False" />
            <asp:BoundField DataField="BorkerName" HeaderText="Broker Name" />
            <asp:BoundField DataField="STATUS" HeaderText="Status" SortExpression="STATUS" />
            <asp:BoundField DataField="Processor" HeaderText="Processor" />
        </Columns>
    </asp:GridView>

How can avoid this issue

Exporting code is below

protected void butexport_Click1(object sender, EventArgs e)
    {
        try
        {
            Response.Clear();
            Response.AddHeader("content-disposition", "attachment;filename=PipelineReport.xls");
            Response.Charset = "";
            // If you want the option to open the Excel file without saving than
            // comment out the line below
            // Response.Cache.SetCacheability(HttpCacheability.NoCache);
            Response.ContentType = "application/vnd.xls";
            StringWriter stringWrite = new System.IO.StringWriter();
            HtmlTextWriter htmlWrite = new HtmlTextWriter(stringWrite);
            grdBorrowerMaster .RenderControl (htmlWrite );
            Response.Write(stringWrite.ToString());
            Response.End();
        }
        catch (Exception ex)
        {
            lblError.Visible = true;
            lblError.Text = ex.Message;
        }

    }

 public override void VerifyRenderingInServerForm(Control control)  
  {  
      //Confirms that an HtmlForm control is rendered for the specified ASP.NET   
       //server control at run time.  
    
   }