Data Controls :: Hide Image Control If Image Path Does Not Exist In Database

I have div In my page that in this div I put image control

<div id="DLogos">
<asp:Image ID="imglogo" runat="server" CssClass="ILogos" /> </div>
according to below code
<div id="Dart1_I1" visible='<%# !string.IsNullOrEmpty(Eval("image1").ToString())%>'>

If in database was image it show div and if there wasn't any image it didn't show div but above code is for div that I put in datalistnow I want do some thing like that for Div that I don't put it in datalist I should write code for that in behindecode page but I don't know How I can do it?behind code

SqlCommand _cmd = new SqlCommand("storeinfo1", _cn);
_cmd.CommandType = CommandType.StoredProcedure;
_cmd.Parameters.AddWithValue("@behcode", data);
_cn.Open();
SqlDataReader _dr = _cmd.ExecuteReader();
while (_dr.Read())

[code]....