Advance my Performance exporting data to Excel

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1.00/5 (1 vote)

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MS-Excel

interop

performance

, +

How can I make the export more faster.

this one is too slow..

Posted 14-May-13 3:10am

chenduran10

Updated 16-May-13 21:16pm

v2

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Maciej Los · Answer 1 · 2013-05-14T11:26:00

Solution 2

If you fetching data from database, the fastest way to export data is to use CopyFromRange()[^] method for MS Excel range.

More about: How to transfer data to an Excel workbook by using Visual C# 2005 or Visual C# .NET[^]

Posted 14-May-13 11:26am

Maciej Los

CHill60 · Answer 2 · 2013-05-14T03:25:00

Solution 1

To improve performance you need to minimise the use of the Excel COM interface.
I would suggest converting your list of objects to a datatable first and then exporting that to excel ...

Here is a generic way to convert a list<t> to a datatable Converting a List to Datatable[^]

and here's how to export it to Excel using XML[^]

Posted 14-May-13 3:25am

CHill60

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Maciej Los 14-May-13 17:28pm

Nice, +5!
Please, see my answer ;)