Hi,
Use In clause if you want to check more then one option in where condition like this
Create proc spname
(
@userid int
)
AS
Begin
Select ID, DestinationNo From Tbl_UserBlackList where User_ID in (0,1)
or
Select ID, DestinationNo From Tbl_UserBlackList where User_ID in (@userid)
try this and let me know