IIF funciton in SQL Server 2012 and give an Example

If you are using SQL Server 2012 you can use IIF and get the same effect as CASE statement.
Create a Table

CREATE TABLE SimpleTable (ID INT, NAME VARCHAR(10))
GO
Insert some value into table
INSERT INTO SimpleTable (ID, NAME)
SELECT 1, 'LAKSHMI'
UNION ALL
SELECT 2, 'NARAYANAN'
UNION ALL
SELECT 3, 'NARAYANAN'
GO

IIF Statement

UPDATE SimpleTable
SET Gender = IIF(NAME = 'NARAYANAN', 'LAKSHMI', 'NARAYANAN')
GO
SELECT *
FROM SimpleTable
GO