Using LINQ to Extract Information from XML in C#
Yesterday I talked about using C# to extract information from a simple XML file. Well today we can take it one step further. Instead of using the regular XML library and commands, we can use LINQ to build a query to extract the information we desire, and place it into our object list.
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Extracting Information From XML With C#
XML is a wonderful way to store information that needs to be read in by a machine or piece of software. It is simple to follow, and you can use it to store and transmit your custom data structures and information across an internet connection or in between bits of software on a local machine. C# has methods built in that can read and write XML files. So today I have put together a little program that will extract a few objects from an XML file in C# for you to see.
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Lambda Expressions and Delegates in C#
In a previous post I discussed chaining C# delegates together. In the source code example, I created a generic DelegateMath class to house a few basic math operations. This time we will replace those functions with simpler and shorter lambda expressions.
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Delegate Chain of Command
Another cool thing about delegates is the ability to chain them together. Say for example you have an object modification process, and you need a given object to be manipulated in a very specific order. Well you could use a delegate chain to accomplish that. For a simple example I have written up a C# delegate chain program that evaluates a mathematical expression following the order of operations by using a delegate chain.
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Testing and You
Today marked the beginning of my real co-op experience and work tasks here at Mercer. The morning started off with a conference call with dev-team members from China, India, and the rest of us here in Louisville via teleconferencing. The reason for the meeting was to demo the new features and functionality of the latest release for a Mercer product. Deployment will be occurring later this week, but before that could happen some last minute testing needed to be done. I had the opportunity to get a rundown of the internals of the product, and from there performed testing on a new file manager to check for any missed bugs or problems. Throughout all of this I learned how Mercer developed any project starting from conception, to testing, and final delivery to production. While no single step is an easy task, Mercer’s method produces undeniable results and amazing software.
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The Orientation Dance
On Monday I started my first day of my second co-op with a new employer. I will be working with Mercer, a subsidiary of Marsh & McLennan Companies, developing and supporting C# and .NET Mercer applications. The past two days have been filled with standard new hire training and orientation sessions and plenty of reading. However it is the brief product overview and C# introduction sessions I learned the most from.
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