Author Archives: Mel Grubb

WOR KITTNZ!

Posted on March 27, 2008 by Mel Grubb

Sorry… It had to be done.

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WF Project Types

Posted on March 26, 2008 by Mel Grubb

There are several templates to choose from when creating a workflow project. Empty Workflow Project Sequential Workflow Console Application State Machine Workflow Console Application Sequential Workflow Library State Machine Workflow Library Workflow Activity Library So what’s the difference and how … Continue reading →

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WaitContext: A class to disable UI controls during long-running processes

Posted on March 13, 2008 by Mel Grubb

The Goal: On my current project, we need to disable the UI while performing long-running operations such as the loading and saving of data.  We started off using some dirt-simple code that would wrap the long-running process in a try/finally … Continue reading →

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Linq joining to in-memory collections is bad

Posted on March 4, 2008 by Mel Grubb

I found an interesting bug this morning, and figured I’d better write about it so that maybe I’ll remember to avoid it in the future.  We have a Linq query that involves a couple Joins.  The main table we’re interested … Continue reading →

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Oops

Posted on February 13, 2008 by Mel Grubb

I just realized that a few posts from January were in the wrong place, so I moved them to this… the correct blog.

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Hosting the workflow rules designer

Posted on January 25, 2008 by Mel Grubb

Windows Workflow foundation has a built-in dialog for editing business rules. The RuleSetDialog class gives you everything you need to edit business rules, providing Intellisense based on the type of entity you provided to the RuleSetDialog constructor. Assume we have … Continue reading →

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Reflection cheat

Posted on January 17, 2008 by Mel Grubb

Today I needed to retrieve a Type by name, but from a foreign assembly.  Without going into the gory details, it’s related to instantiating Windows Workflow Foundation’s RuleSetDialog after a rule has been loaded in from a database. I could … Continue reading →

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Enumerating classes which implement a generic interface

Posted on January 16, 2008 by Mel Grubb

Wow… exciting topic, eh?  It is actually somewhat interesting, though. Background:I’m working on a project where we’ve had to split validation away from the business entities for a couple reasons.  First of all, business entities live at a lower level … Continue reading →

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Mashed

Posted on January 11, 2008 by Mel Grubb

We’re finally home from CodeMash 2008.  It was great, but I’m glad to be back home to my own house and my own bed… even if the house was 53 degrees when we got here.  All the sessions were great, … Continue reading →

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Two sessions down

Posted on January 10, 2008 by Mel Grubb

Jeff’s Silverlight talk was pretty good.  Unfortunately for me I think I’ve seen it before up at the Microsoft building.  It’s a good talk, but I guess if I’d thought about it beforehand I probably should have done something else.  … Continue reading →

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