Solved

Duplicate rows in Datatable

Posted on 2008-06-21
3
1,999 Views
Last Modified: 2008-06-23
I hava a datatable with 10 rows.  I need to duplicate those rows. How is best to do this?
(Then I will add another column to identify each row. ).
0
Comment
Question by:johnkainn
3 Comments
 
LVL 2

Expert Comment

by:Deepika_Rastogi
ID: 21837252
U want to do that through code or your database query
0
 

Author Comment

by:johnkainn
ID: 21837351
I need actually to duplicate 5 times. I need also to create a new column so that each duplicate has its own number in that column, ranging from 1 to 5.
Originally I planned to do this in code, but maybe it is better to do this in SPROC. What do you think?
 Can you help me with that or should I post the question again for the sql group in this forum?
0
 
LVL 11

Accepted Solution

by:
CMYScott earned 125 total points
ID: 21839365
the SPROC would be like this...  (you'll need to add the CREATE PROCEDURE heading etc)

select * into #temp from yourtable
alter table yourtable add idx int
go
update yourtable set idx = 1
insert into yourtable select #temp.*,2 from #temp
insert into yourtable select #temp.*,3 from #temp
insert into yourtable select #temp.*,4 from #temp
insert into yourtable select #temp.*,5 from #temp
drop table #temp
0

Featured Post

Free Tool: Port Scanner

Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.

One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

This document covers how to connect to SQL Server and browse its contents.  It is meant for those new to Visual Studio and/or working with Microsoft SQL Server.  It is not a guide to building SQL Server database connections in your code.  This is mo…
A long time ago (May 2011), I have written an article showing you how to create a DLL using Visual Studio 2005 to be hosted in SQL Server 2005. That was valid at that time and it is still valid if you are still using these versions. You can still re…
In a recent question (https://www.experts-exchange.com/questions/29004105/Run-AutoHotkey-script-directly-from-Notepad.html) here at Experts Exchange, a member asked how to run an AutoHotkey script (.AHK) directly from Notepad++ (aka NPP). This video…
I've attached the XLSM Excel spreadsheet I used in the video and also text files containing the macros used below. https://filedb.experts-exchange.com/incoming/2017/03_w12/1151775/Permutations.txt https://filedb.experts-exchange.com/incoming/201…

861 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question