pls Resolve this Issue..
DECLARE @Stdate varchar(20)
SET @Stdate = CONVERT(VARCHAR(20), '31/03/2016', 111)
SELECT (DATEADD(MONTH, 12 , @Stdate)) AS EndDate
Error
Msg 242, Level 16, State 3, Line 34
The conversion of a varchar data type to a datetime data type resulted in an out-of-range value.