How can I set a number for a public variable at userforms in excel

Question

I write public X as integer and then X=2. But when I run it, there is an error. what do I write?

Public b as Integer

b=2

Private Sub exa_Click()

range("A" & 3)=b

End Sub

I do not know what can I do

Answer 1

Try:

Public b As Integer

Private Sub exa_Click()

b = 2

Range("A" & 3) = b

End Sub