Issue 19

JOSE JAVIER COLUMBIE

Hello Everyone,

We are back as promised. We hope that everyone is staying happy and healthy. We are faced with an unprecedented new world so please stay safe.

This week I am happy to announce that inspired by the Xamarin Community we are starting the XAFers Community Standup so stay tuned for more info and dates.

Hope you guys are having a great weekend, until next week, XAF out!

XAF

eXpressApp Framework - Tips & Tricks (March 2020)

A lot of great and interesting support tickets, documentation updates and my favorite a simplified access to detailview editors. Now with just DetailView.CustomizeViewItemControl you are where you need to be.

XAF How to get role code from the UI - YouTube

In DevExpress words: XAF developers often create initial security roles via the administrative UI (at runtime) in non-production databases of their test environments. The visual approach is often faster than writing C# or VB.NET code manually. Take a look at how after roles are set up the code needed for the updater is easily generated.

XAF Spreasheet Control (English) - YouTube

Do you prefer to edit your business objects in Excel? Incredible as it seems some users prefer to add info in a familiar environment as Excel, specially accountants. Can we bound the Spreadsheet control to our app and allow them to do it there? Answer is: Yes, we can.

How to: Show a List of Users Allowed to Read an Object | DevExpress Documentation

DevExpress is working hard on documentation. They just released a new article about how to create an action to display a list of users whose roles allow reading a specific object. Really handy to double check which users are having access to your "confidential data".

XAF Windows

WinForms - How to Allow Users to Skip Messages

DevExpress XtraMessageBox in steroids. Messages that automatically close when an embedded timer expires. Include a "Do not show this message again" checkbox into your messages. Word wrapping and more...

XAF Web

XAF Web Select Group in ListView

Want to select all invoices of a specific customer? All products that belong to certain category? Yes, you can filter by that category and select all but there is another way using grouping...

XPO

XPO Offline Data Sync (XAF to XAF) - YouTube

Great solution for remote places where the internet is not reliable but we don't need a mobile app, just to reuse our current XAF application.

Activity Stream in XPO - YouTube

I believe almost all applications can benefit from having an activity stream implemented. Let's see how to do one in XPO

XPO and Machine Learning - ML.NET - YouTube

Great proof of concept of XPO as a data source for ML.NET. This opens up a whole lot of ideas for applications.

Tips And Tricks

XAF – Loading Empty ListView until the user does a search

With large data sets what is the probability that the record you are looking for shows in the first page of the listview. It is actually pretty low so you loaded the whole list knowing you will have to search for it either way. Not necessarily....

Relevant Tickets

How to handle end-user attempts to delete their own security User and Role records that may interrupt access to the application

Has this happened to your users? They called you that they can't enter the application and after researching the issue their user and/or role has been deleted. Well, here is how to avoid it.

Social Media

XAFers Arizona User Group | Meetup

Next event is confirmed!!! We will be doing a XAF Community Standup the third Thursday of every month. This group goal is to meet and help others developer using DevExpress Express App Framework. All skill levels are welcome, we will cover topics from getting started to really complex and advanced scenarios.

XAF, XPO And Xamarin

Feel free to join our facebook group to discuss about xamarin, xpo and xaf related topics and post your doubts to get assistance with other members.

XAF-Community/community - Gitter

Manuel Grundner, a DevExpress MVP created an XAF chat at https://gitter.im/XAF-Community/community. If XAFers want to discuss development questions here is another place for it.

Add to your Calendar

Xafers Training

Next session will be April 11. XAF, XPO, OData training in English and Spanish every month. If you are stuck home now for the COVID-2019 and want to gain some skills go and check them out.

Jobs

XAF Jobs – Xafers Jobs Community

From their website more than 300 XAF developers already registered. Let's spread the word so companies start posting more jobs for us.