README.md · Everest/npoi-examples

# NPOI Examples

This repository is splitted from [NPOI master repository](https://github.com/nissl-lab/npoi) in order to manage the examples easily.

# Telegram User Group
Join us on telegram: https://t.me/npoidevs

# To Get Started with NPOI (on Windows 10)
1. Open PowerShell and run the following command:
```
git clone https://github.com/nissl-lab/npoi-examples
```
2. Open npoi-examples/ss/CalendarDemo/CalendarDemo.csproj with Visual Studio 2019 community version and click 'Run program' button
3. You will see a new generated file called Calendar.xls under npoi-examples/ss/CalendarDemo/bin/Debug folder
4. Open the Calendar.xls with Microsoft Excel or Kingsoft WPS 
5. Go back to Powershell window and run the following command
```
cd npoi-examples/ss/CalendarDemo/bin/Debug
./CalendarDemo -xlsx 
```
6. You will see a new generated file called Calendar.xlsx under npoi-examples/ss/CalendarDemo/bin/Debug folder
7. Open the Calendar.xlsx with Microsoft Excel or Kingsoft WPS

_Conclusion_: The result of Calendar.xls and Calendar.xlsx looks same in Microsoft Excel or Kingsoft WPS but they are totally different file formats generated by NPOI.

# Folders Explained
|Folder Name| Description|
|---|---|
|POIFS|OLE2/ActiveX document examples|
|HSSF |examples for Microsoft Excel BIFF(Excel 97-2003, xls) |
|SS | Excel Common examples for both Excel 2003(xls) and Excel 2007+(xlsx)|
|XSSF |Excel 2007(xlsx) examples|
|XWPF |Word 2007(docx) examples|
|OOXML|OpenXml format low-level examples|
|ScratchPad/HWPF|Word 2003(doc) examples|

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