Here's what we've got for you in the C# category.

• Reading/writing Excel files with C#: Introduction to NPOI
• Fast uniform vector grids with scattered data interpolation in C#
• dBASE File Format (with coding details): DBF and DBT/FPT file structure
• GMap.NET Beginners Tutorial: Adding polygons and routes to your map (updated for VS2015 and GMap.NET 1.7)
• GMap.NET Beginners Tutorial: Adding clickable markers to your map (updated for VS2015 and GMap.NET 1.7)
• GMap.NET Beginners Tutorial: Maps markers, polygons and routes (updated for VS2015 and GMap.NET 1.7)
• GMap.NET Tutorial: Calculating the area of a polygon on the map
• MySql.Data. MySqlClient.MySqlException: Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding
• Creating MySQL InnoDB table with NHibernate
• NHibernate: Fast loading of data from multiple tables into a tree structure
• .NET: Translating an enum in C# using the Description attribute
• GMap.NET: Getting rid of the red cross in the middle of your map
• Visual Studio: The process cannot access the file debugfile.exe because it is being used by another process.
• C# .NET Automation: Opening the running instance of Microsoft Excel or Microsoft Word rather than a new one
• TreeListView does not like NHibernate
• Weifen Luo DockPanelSuite: Tutorial and Cookbook
• Forcing NHibernate to use MySQL InnoDB
• .NET: String formatting in C# cheat sheet
• GMap.NET Tutorial: Routes
• GMap.NET Tutorial: Maps, markers and polygons
• Getting local machine's MAC address in C#
• Expandable properties in Visual Studio .NET