<asp:Image runat="server"
ID="titleimage"
ImageUrl='<%#Eval("picturefilename","http://bytes.com/images/{0}") %>'
alt='<%# Eval("para1title") %>'
Width="200"
Height="140"
Visible="<%#If(DataBinder.Eval(Container.DataItem,"picturefilename")!="", True, False) %>" />