If else in stored procedure sql server

Question

I have created a stored procedure as follow:

Create Procedure sp_ADD_USER_EXTRANET_CLIENT_INDEX_PHY
(
@ParLngId int output
)
as
Begin
    SET @ParLngId = (Select         


        

Answer 1

You do not have to have the RETURN stament.

Have anther look at Using a Stored Procedure with Output Parameters

Also have another look at the OUT section in CREATE PROCEDURE