From Table to TreeView…Displaying Hierarchies
Who remembers Object Databases? At one time they were going to dominate the programming world. But, as with a lot of over-hyped technology (Lisp, AI, ADA, Virtual Reality) they were destined to a small niche segment of the market.
Relational Databases remain king. Why? Because Relational Databases are easy to understand and they work good…real good.
Still, many times hierarchical data is stored in relational databases. A common example is an organizational chart. This is usually stored in a single Employee table. Each table row represents an employee with an ID field and a ParentID (Boss) fi...
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Feed : ASP.NET Weblogs
Creating LINQToTwitter library using LinqExtender
In this post, I will show how to cook an
View original story : how+make+from+us+megahed
Feed : ASP.NET Weblogs
Understanding Persistence in Windows Workflow Foundation
This post will show how to use the DelayActivity in Windows Workflow Foundation 3.0 to scale an application out to multiple processes. I will show how to enable persistence and how to create an application that can resume workflows whose timers have expired. I also show passing parameters to a workflow, creating multiple workflow instances, and how to process persisted instances.
Background
I have given probably a hundred demos of Windows Workflow Foundation and persistence in the past couple of years. The demo that I usually do is from Dharma Shukla's Essential Windows Workflow Foundation. Fo...
View original story : how+make+from+us+megahed
Feed : Kirk Evans Blog
Commands Part 3: Parameters for Commands
Think of a command which opens a file in
View original story : how+make+from+us+megahed
Feed : jface on SWiK
