Book Image

.Net Framework 4.5 Expert Programming Cookbook

By : A.P. Rajshekhar
Book Image

.Net Framework 4.5 Expert Programming Cookbook

By: A.P. Rajshekhar

Overview of this book

<p>Net is an architecture neutral and programming language agnostic framework that caters to all requirements, varying from business solutions to multiplayer online 3D games. Version 4.5 added many new features to help with the development of robust and user-friendly solutions. This book will teach you the new features as well as the advanced concepts of different .Net components.<br /><br /> ".Net Framework 4.5 Expert Programming Cookbook" will teach you about the advanced concepts and new features of the core framework, Window Forms, threading, and parallel programming, ASP.Net, Silverlight, WCF, WPF, ADO.Net, and Entity Framework using a real life problem/solution approach with a hands-on style.<br /><br />This book takes a hands-on approach in teaching you how to use the new as well as advanced features of the .Net framework 4.5. Each topic will teach you how to use a specific feature of .Net to solve a real world problem or scenario. You will learn how to use metadata driven programming, creating custom events with payloads, adding parallel constructs to your applications, using strict data bound controls in ASP.Net, enabling third party authentication and embedding maps, among many other key skills.<br /><br /></p>
Table of Contents (17 chapters)
.NET Framework 4.5 Expert Programming Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Uploading files using Stream


File upload has become a common and desired functionality for any web application/service as well as the libraries on which they are built. WCF is no exception. Until Version 4.0, WCF provided only the buffered mode for uploading the file. From Version 4.0 onwards, WCF started to provide the streaming mode. In the buffered mode, the entire file needs to be uploaded to the server before the WCF service can access it. In the streaming mode, the service can access the file before it is completely uploaded. The streamed mode is very useful when you need the service to process files of large sizes that cannot be buffered.

In this recipe, we will see how to implement and configure a service that can be used to upload files using the streaming mode.

How to do it...

  1. Launch Visual Studio 2012. Create a project of type WCF Service Library. Name it WcfFileUploadService.

  2. Add a new class and name it UploadDetails.

  3. Open the Result class. Decorate the class with [MessageContract...