Reading and writing XLS files

StackOverflow https://stackoverflow.com/questions/514944

  •  21-08-2019
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Question

Im searching for a .Net component to read and write xls files from an application in working on. I dont want use automation with Excel.

It should support reading and write Excel 97 and newer versions. And it would be great if its open source or free since its a very low budget project.

I have found this one: MyXLS that looks very promising.

Do you know of any alternatives?

Was it helpful?

Solution

This must be one of the most asked questions on SO.

OTHER TIPS

SpreadsheetGear for .NET reads and writes CSV / XLS / XLSX and does more.

You can see live ASP.NET samples with C# and VB source code here and download a free trial here.

Disclaimer: I own SpreadsheetGear LLC

As an alternative I can suggest Excel Jetcell .NET component. It pretty Excel component. It does not use Jet drivers and excel automation. All information please find at:

http://www.devtriogroup.com/ExcelJetcell

You can use EasyXLS. The component reads xls files from Excel 97 and xlsx/xlsb files from Excel 2007-2010.

www.easyxls.com

You can find samples for how to use on their website.

First - which version of Excel must you support? For example, xslx (2007) is just a zip file with xml files inside - so you should be able to use #ZipLib and xml generation / copying.

Another option is to write CSV and let the user import it - obviously more appropriate for data than for calculations.

There is also the 2003 xml-spreadsheet format - with contents like:

<Table ss:ExpandedColumnCount="3" ss:ExpandedRowCount="1" x:FullColumns="1"
   x:FullRows="1" ss:DefaultRowHeight="15">
   <Row>
    <Cell><Data ss:Type="Number">1</Data></Cell>
    <Cell><Data ss:Type="Number">2</Data></Cell>
    <Cell ss:Formula="=RC[-2]+RC[-1]"><Data ss:Type="Number">3</Data></Cell>
   </Row>
  </Table>

Pretty easy to create by hand...

Where I work they have this one: http://www.syncfusion.com/products/xlsio/backoffice/default.aspx

Have used it a couple of times and it is pretty easy to use.

I've worked with aspose for a long time and can really recommend it.

http://www.aspose.com/categories/file-format-components/aspose.cells-for-.net-and-java/default.aspx

  • Commercial product
  • Great support
  • Excel 97-2007
  • 100% native .net
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