Count the Null columns in a row in SQL

Question

I was wondering about the possibility to count the null columns of row in SQL, I have a table Customer that has nullable values, simply I want a query that return an int of

Answer 1

This will give you the number of columns which are not null. you can apply this appropriately

SELECT   ISNULL(COUNT(col1),'') + ISNULL(COUNT(col2),'') +ISNULL(COUNT(col3),'') 
   FROM TABLENAME
   WHERE  ID=1