Passing Column Name As Parameter To Sql Store Procedure

i am using asp.net 2005 with sql server 2005. in my database table contains

Table Name : Page_Content




Page_Id
101
102

1
Abc
Pqr

2
Lmn
oiuALTER PROCEDURE [dbo].[SELECT_CONTENT]

(@lang_code varchar(max))    

AS

begin declare @a as varchar(max)set @a = @lang_code

 

Select page_id,@a From page_content

end

Here in this above store procedure i want to pass 101 to @lang_code

here is my output, but this is wrong output




Page_Id
Column1

1
101

2
101

 but i want following output




Page_Id
101
102

1
Abc
Pqr

2
Lmn
oiu