>>>I don't understand why my code isn't working as I use the identical technique in another SP and it works wonderfully
>>
>>But this works:
>>

>>DECLARE @Test TABLE (Fld1 NVARCHAR(50))
>>INSERT INTO @Test VALUES ('WLIF20120047')
>>DECLARE @LikePerc nvarchar(50)
>>DECLARE @LikeWoPerc nvarchar(50)
>>SET @LikePerc = 'WLIF20120047%'
>>SET @LikeWoPerc = 'WLIF20120047'
>>SELECT * FROM @Test WHERE Fld1 LIKE @LikePerc
>>SELECT * FROM @Test WHERE Fld1 LIKE @LikeWoPerc
>>

>
>So Boris,
>
>are you telling me to always add the % on at the end of the string I pass?

Yes (of course when you use LIKE operator :-)).