The present book entitled “Learn .NET with Programming, ( 3-in-1 ) has been designed so as to cover the chapter-wise syllabus of Diploma/O-Level/btech/BCA/MCA of all Indian Universities. The book is dedicated to the description of the latest trends and happening in .NET. This book covers the basic programming fundamentals, professional programming logics and deep concepts of programming in .NET such as the flow control statements in C# and Visual Basic, the basic programming techniques, procedures and procedural programming concepts. This book provides fresh and relevant content to .NET Core in a succinct format that is enjoyable to read. It also delivers concepts, along with the implications, design decisions, and potential pitfalls.