Angular adds strange options into select element when setting model value

Answer 1

If your values are integers you should use "" even if they're not strings, that simple reason is exactly why you're getting an option with a question mark as a value.

You shouldn't be using this:

{ value: 0, name: "Pendiente" },
{ value: 1, name: "Em andamento" },
{ value: 2, name: "Erro" },
{ value: 3, name: "Enviar email" },
{ value: 4, name: "Enviado" }

This is the right way:

{ value: "0", name: "Pendiente" },
{ value: "1", name: "Em andamento" },
{ value: "2", name: "Erro" },
{ value: "3", name: "Enviar email" },
{ value: "4", name: "Enviado" }

If you've at least one record which isn't using "" you'll be getting this ? option value.