When I convert one object to another using the keyword “as” and the original value is not of that type, the converted value simply becomes NULL. For example, if theItem is of type MessageBox, then row will be NULL. DataRowView row = theItem as DataRowView; However, when using this code, I.e. boxing. DataRowView row = […]
Read More →Before you begin loading and populating collections, you should decide which collection to use based on the requirements. Some collections are built for speed when selecting, some are built for speed when loading, other for sorting, etc. A good description can be found here. This example I will search a strongly typed List for a […]
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I needed to convert a selection from a treeview into an XML string and then store into a database column of type LONG on Oracle and/or of type varchar(MAX) on MS SQL Server. The XML was not saved as a file first, so true it could have been saved in a string column, however, the […]
Read More →Runtime, in computer terms, is the time in which the computer program is actively executing the written code. The Common Language Runtime is a platform where a managed program executes. There are many advantages when a managed program is run in this environment. For example: Easy usage of components written in other programming languages Garbage […]
Read More →The .NET framework provides a set of base class libraries which provide functions and features which can be used with any programming language which implements .NET, such as Visual Basic, C# (or course), Visual C++, etc. The base class library contains standard programming features such as Collections, XML, DataType definitions, IO ( for reading and […]
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The 2 controls above create either a GUID or a Sequential GUID. Generate a Radom GUID online or a Generate a Sequential GUID online using the above control. There is nothing too complicated about creating a random GUID. Using the below C# code provides a unique value. string uniqueRandomKey = Guid.NewGuid().ToString(); I like to use […]
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I wrote previously a post where I combine 2 Lists together here. Recently, I had the requirement to join 2 dictionaries together. I needed to build a DataTable and an NHibernate HQL query dynamically where the column headings could be different than the name of the actual database column name. To do this I created […]
Read More →I needed to create an executable which would run as a job triggered from a scheduler. I decided to create a Console application, using, of course C#. I wanted it to run without the Console window popping up. I asked myself, how do I stop the console window from popping up or how do I […]
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Have a read of Part 1 here if you are stumbling across this article first. The reason I built this cluster of Raspberry Pi’s is to learn. And I can say from the start I have learned a few things. If you take a quick historical look at computing, it started with procedural coding paradigms. […]
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During my many years of active IIS administration which hosted ASP.NET application, we had many discussions about why the first request to the web site took longer than those coming after. In short, it’s because the first request, after a restart of the process results in a recompilation of the temporary ASP.NET files. In complicated, […]
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