There are a number of resources out there that attempt to explain how to get the network path of a mapped drive letter or path. However, I found most of them to be incomplete and/or full of errors. Two potential solutions are discussed here. One uses PInvoke the other is a pure .NET method.
C#
Converting asynchronous SharePoint event receivers to synchronous
If you encounter the edit properties box on single document uploads and still want to run custom code in the ItemAdded event receiver, you will need to employ the method discussed in this article of converting asynchronous SharePoint event receivers to synchronous. The motivation behind this post was to avoid save conflict errors. But there are potentially other scenarios where it might be useful to make asynchronous SharePoint event receivers synchronous.
Iterating List Items In Batches With C# [Chunking]
There are lots of programming situations where it is necessary to break up a large amount of work into smaller more manageable pieces or chunks. The technique is known as “Chunking” and is frequently used when a huge list needs to be iterated in batches of say, 100 items at a time.
Working With Web Services Without Adding A Reference In C#
Generally, when writing code to communicate with web services in C#, the usual process is to add a service reference. Visual Studio then automatically creates all the wrapper classes/objects for you that you need in order to talk with the service. However, sometimes, you want greater control. This article explains and gives you the code needed to work with a regular SOAP based web service without adding a reference.
Add Row Numbers To DataGridView in C#
The DataGridView is the control that is mostly used for displaying the contents of lists, tables etc. However, the built-in version of this control doesn’t allow for adding row numbers/count via its properties. This feature is often required because it is difficult to keep track of the records in a table with 1000 rows if row numbers are not displayed.
Timer job to delete SharePoint orphaned users
This article discusses how to create a timer job for deleting orphaned users (SharePoint users that are deleted or disabled in AD) using Visual Studio. I have tested this solution on both SharePoint 2016 and SharePoint 2010. So, it would of course also work for SharePoint 2013.