What is this book about? Microsoft InfoPath 2003 helps developers tackle forms-based information-gathering with the full range of XML technologies. This book quickly guides experienced Office and XML developers through InfoPath fundamentals, including XML form templates architecture, form definition file structure, available external data sources, and backend services. From there, you delve into validation and updating forms, both during development and as business needs change. Finally, you examine the InfoPath security model, learning to implement and deploy trusted forms. The second part of this book is an intensive case study covering metadata processing, exporting XML data to Excel for analysis, and much more. What does this book cover? Here are just a few of the things you'll learn in this book: * The development options InfoPath makes available through XML technology * How to combine various form files into a customized template * The architecture of an InfoPath form template and the file types you can use in various applications * Ways to build a form interface using menus or objects on the task pane * Methods to support users at various levels of experience * Different means of validating forms and reporting errors * How to implement digital signatures and other form security measures with InfoPath Who is this book for? This book is for experienced corporate developers who have a strong knowledge of XML and related technologies as well as solid experience with Microsoft Office and related applications.