Case statement for Order By clause with Desc/Asc sort

Question

SELECT *
FROM
    TableName
WHERE
ORDER BY 
    CASE @OrderByColumn
    WHEN 1 THEN Forename
    WHEN 2 THEN Surname
    END;

I have a statement like a

Answer 1

another example:

SELECT * FROM dbo.Employee
ORDER BY 
 CASE WHEN Gender='Male' THEN EmployeeName END Desc,
 CASE WHEN Gender='Female' THEN Country END ASC

more details ...http://codechef4u.com/post/2015/04/07/order-by-clause-with-case-expressions-case-statement