How do you concatenate text when using Bind expression in asp.net

Question

What is the syntax to concatenate text into a binding expression for an asp.net webpage (aspx).

For example if I had a hyperlink that was being bound like this:

Answer 1

You could use the following:

CommandArgument='<%#String.Format("{0}|{1}", Eval("ArgZero"), Eval("ArgOn"))%>'