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T-SQL is a basic of structure query language. So I always want to learn T-SQL in different way to get best performance in query. And its my passion.

Thursday, April 23, 2009

Using ROW_NUMBER() to paginate your data ... Script in T-SQL

Here making paginating functionality by Sql Server side...
Here first of all set @totalPageSize, which set how many row should be display...
Then set @pageIndex , which set the pageindex,

declare @totalPageSize int
declare @pageIndex int
declare @startIndex int
declare @endIndex int

set @totalPageSize = 10
set @pageIndex = 1

set @startIndex = (@pageIndex * @totalPageSize) + 1
set @endIndex = @startIndex + @totalPageSize

select top (@totalPageSize) z.*
from
(
select
ROW_NUMBER() OVER(ORDER BY userId DESC) AS 'RowNumber',
userId, userFirstName, userLastName,
userAddress1, userAddress2, userPhone1,
userPhone2
from [userInfo]
) as z
where z.RowNumber between @startIndex and @endIndex

RowNumber userId userFirstName userLastName userAddress1 userAddress2 userPhone1 userPhone2
11 45 A B sdf sdf 34343
12 44 G W ds ds 1121
13 43 K T Ahd Ahd 121 12
14 42 T Y Ahd Ahd 12323 34234
17 38 ehilly Bons Ahmedabad
18 37 dhilly Bons Ahmedabad
19 36 chilly Bons Ahmedabad
20 35 bhilly Bons Ahmedabad

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