A book to learn C# Programming through simple programs. The source code of simple programs with illustration pictures in C# are presented in this book.C# is a high level and object-oriented programming language. It is pronounced as "C sharp". It was developed by Microsoft. It is designed to be a simple, modern and general-purpose programming language. It has borrowed its key concepts from Java. It is used in combination with .NET framework.C# is used to develop software for Windows, Web, and mobile devices. It is implemented on the .NET Framework. The programs written in C# benefit from security and language interoperability. C# programs are developed in Microsoft Visual Studio software.C# is used to develop desktop application for Windows Platform. It is also used to develop websites powered by ASP.NET. It is an object-oriented language, which supports the abstraction, encapsulation, inheritance, and polymorphism features. Because of its simplicity of the syntax, C# has the ability to create very powerful and sophisticated applications. C# is a great place to start computer programming for the beginners.It is a GUI (Graphical User Interface) based programming language which makes each & every task easier and improves the programmer's productivity.The table of contents of this book is listed below: Introduction to C#The .Net FrameworkVisual Studio Development EnvironmentProjects and SolutionsVisual Studio ToolsProperties WindowStarting a New ProjectProgram to display a 'Hello' messageLabel Control and Button ControlTextBox ControlProgram for Arithmetic OperationsPictureBox controlCheckBox controlRadioButton control