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Tue, Sep 20 2005 9:16 PM

MSDN Virtual Labs

Just saw this post by Jan Schreuder talking about MSDN Virtual Labs . If you haven't checked these out yet, it's worth it. Without installing the software, try out various Microsoft technologies, both present and future. If you were just dying to try...
Posted by Joshua Langemann | 2 comment(s)
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Wed, Jul 20 2005 8:17 PM

Code for setFocusToErrorOnRow

I just received an anonymous comment to the Blogger version of the Data validation in .Net using ErrorProvider and DataSet errors post, asking for the code to setFocusToErrorOnRow. This method is designed for a ComponentOne TrueDBGrid - my code is in...
Posted by Joshua Langemann | 2 comment(s)
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Wed, Jun 15 2005 12:22 PM

DataRow.ClearErrors doesn't quite cut it

As noted in my previous post , DataRow.ClearErrors isn't as useful as it could be, but seems to handle clearing errors quite reasonably as long as you can loop down to the DataRows in error. It's actually worse than I thought - ClearErrors will take the...
Posted by Joshua Langemann | with no comments
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Wed, Jun 15 2005 12:15 PM

Arithmetic Rounding in .Net

Quiz time: what is the value of test after the following code runs: .csharpcode { font-size: 10pt; color: black; font-family: Courier New , Courier, Monospace; background-color: #ffffff; /*white-space: pre;*/ } .csharpcode pre { margin: 0px; } .rem {...
Posted by Joshua Langemann | 3 comment(s)
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Tue, Jun 14 2005 2:31 PM

Data validation in .Net using ErrorProvider and DataSet errors

I currently make heavy use of .Net typed datasets to handle the communication of data transactions between my business and UI layers. Recently we started getting into some serious application testing, and discovered various bugs where the application...
Posted by Joshua Langemann | 10 comment(s)
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Tue, Jun 14 2005 2:24 PM

Web Service calls from behind proxy servers

Here's something I posted on Mar 4, 2005 Recently I implemented a crash reporting capability into a .Net application. When an unhandled exceptions occurs (or application ThreadException), the user is presented with a dialog prompting them to submit it...
Posted by Joshua Langemann | 2 comment(s)
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Tue, Jun 14 2005 2:23 PM

SelectNextControl method

And another post from Jan 19, 2005: Recently I had a need to switch focus to the next control on a form when the Enter key was pressed, under certain conditions. It seemed easy enough - just call SelectNextControl to have .Net read the tab order and select...
Posted by Joshua Langemann | with no comments
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Tue, Jun 14 2005 2:04 PM

Sorting a data-bound ComboBox

Here's a post from Dec. 11, 2004: Recently I encountered a challenging situation in Windows Forms where I needed to sort the contents of a ComboBox involved in the middle of multiple levels of Data Binding. The combobox was on a window that provided a...
Posted by Joshua Langemann | with no comments
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