B4J Tutorials

Just a short note how my experience was migrating to JPOI5. Not worth a tutorial - more a "all easy note" when you migrate an important app (like mine which is used by a company).

I needed to...

 

This is an "inline java code" example for the javafx line chart. It has very basic functionality at present.

You will need javafx.controls.jar. I found the jar on my computer at...

 

XLUtils v1.03 adds support for grouping rows and columns and for adding links.

Grouping is done with XLSheetWriter.GroupRows / Columns.
By default the expand button is positioned at...

 

Should I use SQLite as my web server database?

This has come up before and last week it came up again in the "Chit Chat" forum. The question has already been answered here before and there...

 

Hi all,
Used to make a lottery in Telegram.
You can expand the UI of this app and use it like TV lotteries.
for example: (Be sure to watch the clip)

this zip file has a...

 

Hi to all
it's probably not the right way, so I'm asking you where I'm wrong
This Sub is in pgIndex (about is another code module)

Sub btnlogOff_click(e As BANanoEvent)
    If about.login =...

 

B4J v2.00 adds support for web applications based on WebSocket technology. With WebSocket The browser and the server...

 

Ola

Say what? A render-less custom view? What on earth is this guy on about?

Well without overthinking what this is. A render-less custom view is basically a normal class, that is made into a...

 

Ola

Download

Attached please find the source code for the Nobel Prize Show WebApp developed using BVAD3. The source code of the app is inside the zip file. You will need additional...

 

XLUtils v1.13 adds support for converting workbooks to PDF. This is a Windows only feature and it relies on Excel being installed on the computer.

Exporting to PDF is a matter of...

 

Ola

This tutorial is related to BVAD3, however the library can be used separately outside of the BVAD3 namespace. As it is rather a specialized area for web development, we have created an own...

 

Hi Members.

This is continuation of below post

My struggle and win with Advance Project Management of Saif

Hi Members, Warning: This a first post I have written so long that it may cure insomnia of members. I tagged this post as tutorial as it has guidance for solving errors as I found. First I will like to thank Saif to giving me this amazing product for free...

www.b4x.com

Trying to restore the given...

 

Hi Members,

Warning: This a first post I have written so long that it may cure insomnia of members. I tagged this post as tutorial as it has guidance for solving errors as I found.

First I will...

 

Sharing Experience ...


How to work banonowebix projects at jServer at least the client-side right / not the php server scripts... (caution!)

well when you open a project at...

 

Mac example:
https://www.b4x.com/b4j/MacAngryBirdsExample.zip (35mb)

 

One of the most asked for components in ABMaterial is an editable Grid. We already have ABMTable and ABMTableMutable, but they have their limitations when it comes to being editable. So, as this...

 

Tabular data can be converted to a Table object. Excel provides all kinds of nice features related to tables...

 

I don't know if this counts as a tutorial but it might help someone. Please advise of any errors or omissions and I'll fix them.

Sometimes the value in a field in a resultset will be null.
This...

 

Ola..

Update: 12 July 2021: Here is a working example with jRDC2 MySQL...

 

Main concepts and reading MS Excel workbooks with XLUtils: https://www.b4x.com/android/forum/t...-and-write-ms-excel-workbooks.129969/#content

Writing workbooks is...