SQL - Replacing an is null integer with a varchar

Question

I am trying to replace a column with a new varchar string if there is null values in it in a select statement:

(personid + ISNULL(personid, \'no         


        

Answer 1

Replace this:

(personid+ISNULL(personid,'no person'))

With this:

(ISNULL(CAST(personid as varchar(31)),'no person')) AS personId