how to get describe Ajax Slideshow to navigation?

Hi,

I created ajax slide show with database and now want to get describe to navigate but when I want to do this 

Here is code

<a href='reader.aspx?Test=<%# Eval(Decribe.Text) %>'><asp:Label ID="Decribe" runat="server"/></a>

navigate to page reader but quieystring is null

http://localhost:20608/reader.aspx?News=

I cant get Describe how to get that?

plz help me THANKS,