Crystal Reports (hereinafter referred to as "Crystal Report") is an excellent report development tool with powerful functions and flexible design. The latest Visual Studio. NET integrated development environment (IDE), thereby enhancing Visual Studio. NET (VS.NET) development functions. This book explains in detail how to use Visual Studio through a large number of examples. NET development platform uses Crystal Reports to design and develop Web applications and Windows applications with complex reports. It focuses on the design and development methods of Crystal Reports, which has strong practicality and guiding significance. The CD attached to the book contains the sample program source code and report source files in the book. The content of this book is easy to understand, and the examples are detailed. It provides the most comprehensive summary of the design and development of Crystal Reports. The large number of examples is urgently needed by programmers. Whether it is the majority of Visual Studio. NET programming developers or report system designers and developers, they will all benefit from this book.