1. Tiberiu Covaci Senior Technical Trainer Many-core
12/9/2018 6:22 PM
DEV 335
Improving Your Microsoft ASP.NET Application Performance with Asynchronous Pages and Actions
Tiberiu Covaci
Senior Technical Trainer
Many-core
© 2007 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

2. Who am I? Tiberiu ’Tibi’ Covaci
Software engineer, over 20 years experience
MCT since 2004, teaching .NET
Researcher at KTH
Sweden .NET User Group Leader
INETA Country Lead for Sweden
Telerik MVP & Insider
@tibor19 #msteched

3. Agenda ASP.NET Page lifecycle Load test your application
Asynchronous pages
Asynchronous actions
Async support in C# vNext

4. Visual Studio Live! Las Vegas 2011MGB 2003
ASP.NET Page lifecycle
Init
Load
PreRender
PreRender
Complete
© 2003 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

5. Introducing the Application
12/9/2018 6:22 PM
Introducing the Application
demo
© 2007 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

6. ASP.NET Asynchronous Page lifecycle
Init
Load
PreRender
Async calls
PreRender
Complete

7. Synchronous vs Ansynchronous
Call method => Wait for result
One method at a time
Easy to program/understand
Asynchronous
Call method => Return right away
Result / method completion provided via callback
Run several methods at the same time
Scalability
Harder to program

8. Asynchronizing the Application
12/9/2018 6:22 PM
Asynchronizing the Application
demo
© 2007 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

9. Async support in C# vNext
“Looks like” synchronous programming
Uses Task/Task<T> behind the courtains
Two new contextual keywords
async marks a method as asynchrnous
await yields control while waiting on a task to complete

10. Modernizing the Application
12/9/2018 6:22 PM
Modernizing the Application
demo
© 2007 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

11. Summary ASP.NET Page lifecycle Load test your application
Asynchronous pages
Asynchronous actions
Async support in C# vNext

12. Thank you tibi@multi-core.net http://blog.multi-core.net

13. Web Track Resources http://www.asp.net/ http://www.silverlight.net/

14. Resources Learning http://northamerica.msteched.com
Tech Ed North America 2010
12/9/2018 6:22 PM
Resources
Connect. Share. Discuss.
Learning
Sessions On-Demand & Community
Microsoft Certification & Training Resources
Resources for IT Professionals
Resources for Developers
© 2010 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

15. Complete an evaluation on CommNet and enter to win!
Tech Ed North America 2010
12/9/2018 6:22 PM
Complete an evaluation on CommNet and enter to win!
© 2010 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

16. Tech Ed North America 2010 12/9/2018 6:22 PM
© 2010 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.