将文字文本块设置为仅在另一个文字文本块返回值时显示的最佳方法是什么?
这是我正在尝试构建的代码,其中包含逻辑所在的注释。
<!-- Will be shown if there is content in the DB -->
<asp:Literal id="letter_to_zelda" runat="server"></asp:Literal>
<!-- Will be also shown if there is content in the db, but
I only want to show it if the line above had no content to display -->
<asp:Literal id="letter_to_link" runat="server"></asp:Literal>