c# code for import and export excel to sql server

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i have used code provided by your site
on link
Excel to sql server using sql bulk copy[^]
for importing data from excel to sql server
in this there is a button when i clicked that button data goes to sql server
if i click that button 2 times than that same data inserated twice
i want that previius data is replaced by new data
than what is code for it.

Posted 29-Jun-12 18:47pm

Ritu khatri

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OriginalGriff · Answer 1 · 2012-06-29T19:16:00

Don't post this under Quick Answers - if you got the code from an article, then there is a "new message" button at the bottom of that article, which causes an email to be sent to the author. They are then alerted that you wish to speak to them.
Posting this here relies on them "dropping by" and realising it is for them.

sandeep nagabhairava · Answer 2 · 2012-06-29T22:21:00

Solution 2

hi ritu once look at this

http://www.aspdotnet-suresh.com/2010/09/import-data-from-excel-to-sql-database.html[^]

Posted 29-Jun-12 22:21pm

sandeep nagabhairava

Chasfer · Answer 3 · 2012-07-01T20:38:00

Solution 3

See
1.Exporting Data to Excel[^]
2.A discussion: import MS Excel to datatable[^]

Posted 1-Jul-12 20:38pm

Chasfer