GridViewRowDataBound ข้อมูลขึ้น แต่ตัวอักษรไม่ขึ้น

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        Label lblTreatID = (Label)(e.Row.FindControl("TreatID"));
        if (lblTreatID != null)        
        {
            lblTreatID.Text = (string)DataBinder.Eval(e.Row.DataItem, "TreatID");       
        }
        Label lblCusID = (Label)(e.Row.FindControl("cusID"));
        if (lblCusID != null)
        {
            lblCusID.Text = (string)DataBinder.Eval(e.Row.DataItem, "cusID");
        } 

    }

<asp:GridView ID="GridView1" runat="server" Width="312px" Height="23px" AutoGenerateColumns="False" OnRowDataBound="GridView1_RowDataBound" PageSize="15" AllowPaging="true" Font-Names="Cordia New" Font-Size="14pt" OnPageIndexChanging="GridView1_PageIndexChanging">
                    <HeaderStyle BackColor="#A55129" Font-Bold="True" ForeColor="White"></HeaderStyle> 
                    
                    <Columns> 

                        <asp:TemplateField HeaderText="รหัสการรักษา">        
                        <ItemTemplate>           
                        <asp:Label id="lblTreatID" runat="server" Height="23px"></asp:Label>      
                        </ItemTemplate> 
                        </asp:TemplateField>
                        
                        <asp:TemplateField HeaderText="รหัส H.N">        
                        <ItemTemplate>           
                        <asp:Label id="lblCusID" runat="server"></asp:Label>      
                        </ItemTemplate> 
                        </asp:TemplateField>
                        
                    </Columns>
                        <RowStyle BackColor="#FFF7E7" ForeColor="#8C4510" />
                        <FooterStyle BackColor="#F7DFB5" ForeColor="#8C4510" />
                        <PagerStyle ForeColor="#8C4510" HorizontalAlign="Center" />
                        <SelectedRowStyle BackColor="#738A9C" Font-Bold="True" ForeColor="White" />
                    </asp:GridView>