U2U Blog Center

For developers and other creative minds

Welcome at the U2U Blog Center

U2U has built up the last 18 years a huge amount of expertise in the Microsoft .NET Framework. Expertise they have always shared in the community. Below you can find a list of the blogs maintained by U2U trainers.

LexDB performance tuning in a Windows 8 Store app

This article explains how to create fast queries against a LexDB database in a Windows 8 Store app, and how to keep these queries fast. LexDB is a lightweight, in-process object database engine. It is written in C# and can be used in .NET, Silverlight, Windows Phone, Windows Store, and Xamarin proje... [More]

Dynamics CRM 2013 and Power BI for Office 365 - Part 2

In the first part of this blog post we used Power Query to create the following Data Model in Excel. As you can see the relationship between the 2 tables is still missing and we would also like to define a Hierarchy in QueryFromContact. And although we could have done this in Power Query itself we w... [More]

SQLite performance tuning in a Windows 8 Store app

This article explains how to monitor and optimize a SQLite query in a Windows 8 Store app by adding indexes and/or rewriting the query. I’ll be using the WinRT SQLite wrapper from the Visual Studio Gallery. I assume that you know how to install and use it, but feel free to check a previous blog post... [More]

Using the Windows 8.1 Hub as an ItemsControl

This article presents a Windows 8.1 Hub control with ItemsSource and ItemTemplate properties, making it easily bindable and more MVVM-friendly. The Hub control has become the main host on the startup screen of many Windows Store apps: it’s flexible but still presents a standard look-and-feel w... [More]

First time MVP

It is with great pride that I announce that I was presented with the Microsoft Most Valuable Professional Award for the very first time. For the next 12 months, I’m an MVP in the Client Development category, which has an impressively strong Belgian representation. I would like to thank M... [More]

Using SQLite in a Windows Store MVVM App

Some of my Windows Store Apps are desperately seeking for a local database. I was getting tired of waiting on Microsoft to release a SQL Express for WinRT - which as far as I know, was never planned. So I decided to test-drive SQLite: a free, technology neutral, self-contained, zero-configuration, t... [More]