i want to add hyperlink and pass query string of two columns details. unable to add coloumn in query string in asp.net datalist itemtemplate
<asp:DataList
id="datalistleads"
RepeatColumns="1"
GridLines="Both"
Runat="server" BackColor="#D9EDF7" Width="333px">
<ItemTemplate>
<a href="Leads1.aspx?company=<%# Eval("CompanyName") %>&Contactperson=<%# Eval("CompanyName") %>"> <br />
Contact Person:
<%#Eval("ContactPerson") %>
<br />
</a>
</ItemTemplate>
</asp:DataList>
Just change your anchor tag to following it should work:-
<a href='Leads1.aspx?company=<%# Eval("CompanyName") %>'>