Data liberation: Difference between revisions
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* see http://excelpackage.codeplex.com/ "ExcelPackage provides server-side generation of Excel 2007 spreadsheets. It is a set of classes and wrappers around the .NET 3.0 System.IO.Packaging API and the new Office Open XML file format." | * see http://excelpackage.codeplex.com/ "ExcelPackage provides server-side generation of Excel 2007 spreadsheets. It is a set of classes and wrappers around the .NET 3.0 System.IO.Packaging API and the new Office Open XML file format." | ||
* http://www.carlosag.net/Tools/ExcelXmlWriter/ | * http://www.carlosag.net/Tools/ExcelXmlWriter/ | ||
== Data Exchange between Software Services == | |||
This is quite different from the previous approaches, because it does not target the user, but the data exchange between software services and programs; one example could be an AJAX webclient that communicates with the server via JSON or XML. | |||
=== JSON === | |||
* see http://code.google.com/p/jsonexserializer/ a c# library for JSON | |||
* http://jayrock.berlios.de/ Jayrock | |||
** http://www.novogeek.com/post/2009/04/22/Converting-DataTable-to-JSON-using-JayRock.aspx | |||
Revision as of 13:32, 9 October 2009
Data liberation
- see also Google's effort: http://www.dataliberation.org/
The idea is that it should be easy to get data in and out of OpenPetra.org
XML/YML/CSV support
- XML: advantages: easier to handle from external programs, they can transform the data
- YML: advantages: easy to read and write for manual adjustments
- CSV: advantages: edit long lists; problems: Excel reformats and may cut off account codes etc
OpenOffice file support (OpenDocument)
- http://www.codeguru.com/csharp/csharp/cs_data/xml/article.php/c16311 How to Read and Write ODF/ODS Files (OpenDocument Spreadsheets)
- http://opendocument4all.com/content/view/13/29/ "AODL has been started by Lars Behrmann as a independent C# library for all kinds of ODF processing and in February 2007 it has become the .net module of the OpenOffice.org ODF Toolkit project. The library is completly written in pure C# and can be used to extend your .net based software to support the OpenDocument Format."
Microsoft Excel file support (Office Open XML)
- see http://stackoverflow.com/questions/151005/create-excel-xls-and-xlsx-file-from-c
- see http://www.leniel.net/2009/07/creating-excel-spreadsheets-xls-xlsx-c.html
- see http://npoi.codeplex.com/ "This project is the .NET version of POI Java project at http://poi.apache.org/. POI is an open source project which can help you read/write xls, doc, ppt files. It has a wide application."
- see http://excelpackage.codeplex.com/ "ExcelPackage provides server-side generation of Excel 2007 spreadsheets. It is a set of classes and wrappers around the .NET 3.0 System.IO.Packaging API and the new Office Open XML file format."
- http://www.carlosag.net/Tools/ExcelXmlWriter/
Data Exchange between Software Services
This is quite different from the previous approaches, because it does not target the user, but the data exchange between software services and programs; one example could be an AJAX webclient that communicates with the server via JSON or XML.