I'm used to seeing expressions like <%= "Olá" %>
but I came across a code:
<asp:Image
id="imagemStatusDocumento"
runat="server"
ImageUrl='<%# ObtemImagem(Eval("NomeTipo")) %>'
/>
Highlighting the part that matters, part of the code where we have an Octothorpe ( HashTag ):
<%# ObtemImagem(Eval("NomeTipo")) %>
Could you tell me what does this hashtag do and when should I use it?