Question

Is there a way to fill an ITemplate by code?
Let’s suppose I have an UpdatePanel:

UpdatePanel upnl = new UpdatePanel();
// What should be done next?
//upnl.ContentTemplate = ...

and the result of it would be equivalent of:

<asp:UpdatePanel runat="server" ID="upnl">
    <ContentTemplate>
    test
    </ContentTemplate>
</asp:UpdatePanel>

Answer 1

This will do if I understood your question correctly:

public class YourTemplate : ITemplate 
{
    public void InstantiateIn(Control container)
    {
        container.Controls.Add(new LiteralControl("test"));
    }
}

...
upnl.ContentTemplate = new YourTemplate();