Please help my code not work 

gridview row is empty

some row Eval("Titel_English") data null

protected void postrecent_RowDataBound(object sender, GridViewRowEventArgs e)
{
    if (e.Row.RowType == DataControlRowType.DataRow)
    {
        if (!string.IsNullOrEmpty(e.Row.Cells[3].Text))
        {
            HyperLink urllink = (HyperLink)postrecent.FindControl("sesfs") as HyperLink;
            urllink.Visible = false;
        }
    }
}

<asp:GridView ID="GridView1" runat="server" AllowPaging="True"
     AutoGenerateColumns="False" DataSourceID="SqlDataSource1">
     <Columns>
         <asp:TemplateField HeaderText="Titel" SortExpression="Titel">
           
             <ItemTemplate>
                 <asp:Label ID="Label1" runat="server" Text='<%# Bind("Titel") %>'></asp:Label>
                 <br />
                 <asp:HyperLink ID="HyperLink1" runat="server"
                     NavigateUrl='<%# "mysite.com/"+Eval("Titel_English") %>' Text='<%# ">" %>'></asp:HyperLink>
                 <br />
             </ItemTemplate>
         </asp:TemplateField>
     </Columns>
 </asp:GridView>
 <br />
 <asp:SqlDataSource ID="SqlDataSource1" runat="server"
     ConnectionString="<%$ ConnectionStrings:Helpline %>"
     ProviderName="<%$ ConnectionStrings:Helpline.ProviderName %>"
     SelectCommand="SELECT [Titel], [Titel_English] FROM [Help]">
 </asp:SqlDataSource>