Hello !
i would like to do the same think the is working:
<asp:Label CssClass="edInline" ID="LblActif" Width="115px" runat="server"><%= DatabaseResourceManager.Translate("5031/Actif")%></asp:Label> 
i m calling a c# class to translate my text with the database text corresponding in the good language and it works good, i would like to do the same with columns in the aspx file not in code behind but this doesn't seems to work :
<telerik:GridBoundColumn DataField="LastName" FilterControlAltText="Filter column column"  HeaderText='<%= DatabaseResourceManager.Translate("5914/:Nom")%>' UniqueName="LastName">   </telerik:GridBoundColumn> 
some help ?
[EDIT]
Ok I found a way to solve it (the night is good to think :-) )
<telerik:GridTemplateColumn>      <HeaderTemplate>            <asp:Label ID="clLblLastName" runat="server"><%= DatabaseResourceManager.Translate("5914/Nom") %></asp:Label>        </HeaderTemplate>       <ItemTemplate>             <asp:Label runat="server" ID="clTxtLastName" Text='<%# Eval("LastName") %>'></asp:Label>        </ItemTemplate> </telerik:GridTemplateColumn>
