>>>I have a generic List of objects. It is possbile to bind this list to a Listbox?
>>
>>Winforms? Sure.

ListBox1.DataSource = theList;
>>ListBox1.DisplayMember = "ListPropertyName";

>
>Sorry, this is a web app. Can it be done here too?

Pretty much the same:

ListBox1.DataSource = theList;
ListBox1.DataTextField = "ListPropertyName";
ListBox1.DataValueField = "ListPropertyName";
ListBox1.DataBind();