Visual Studio 2010深度开发：SharePoint 2010企业解决方案指南

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《SharePoint 2010与Visual Studio 2010开发专家指南》是一本由Balaji Kithiganahalli编著的专业书籍，旨在帮助开发者在Microsoft SharePoint 2010平台上创建、调试和部署企业级业务解决方案。本书是基于Visual Studio 2010这一强大的集成开发环境，利用其丰富的功能和工具，以实现对SharePoint应用的高度定制和满足复杂业务场景的需求。该书详细介绍了如何利用Visual Studio 2010进行SharePoint应用程序的开发过程，包括但不限于构建工作流、创建Web部件、自定义列表和列表视图、以及与SharePoint的API交互。读者可以从中学习到如何设计高效的数据模型、优化用户体验、以及如何确保代码的质量和可维护性。此外，书中还涵盖了如何使用调试工具进行问题排查，以及如何通过Visual Studio的发布和部署流程将应用程序成功推向生产环境。作为一本权威指南，作者Balaji Kithiganahalli以其深入浅出的方式，确保读者能够理解和掌握在SharePoint 2010环境中使用Visual Studio进行开发的关键技能。书中包含了丰富的实例和实用技巧，使得无论是初次接触SharePoint开发的新手，还是经验丰富的开发者都能从中受益匪浅。然而，需要注意的是，由于版权原因，这本书中的部分内容可能受到限制，未经出版商Packt Publishing的书面许可，不得复制、存储或通过任何方式传播，除非是在批评性文章或评论中引用短片段。同时，尽管作者和出版社已尽力确保信息的准确性，但书中提供的信息并不保证无误，也不构成任何形式的保证或担保，包括明示或暗示的质保。《SharePoint 2010与Visual Studio 2010开发专家指南》是一本实用且具有指导价值的资源，对于想要提升SharePoint开发能力的专业人士来说，它提供了不可或缺的实践经验和理论支持。通过跟随书中的指导，读者能够更有效地利用Visual Studio工具链，创建满足特定业务需求的高效SharePoint解决方案。

Preface

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Questions

You can contact us at questions@packtpub.com if you are having a problem with

any aspect of the book, and we will do our best to address it.

Lists and Event Receivers

The preceding events are triggered by SharePoint when changes, creations, or deletions

happen on different objects like Lists, Sites, Site Collections, List Items, and so on.

All the events listed previously can be further classied as, Synchronous and Asynchronous

events. Synchronous events are those that are red before an action takes place (for

example, the

ItemAdding event or the ItemDeleting event on a List Item). Synchronous

events are executed on the same thread as the code, before sending the response to the

browser. Asynchronous events are those that take place after the action has happened for

example, the FeatureActivated event or FeatureInstalled event on Features.

For example, a Synchronous event ItemAdded on list item can be used to verify the data that

is being added to a list before it gets added. This way you have control over the data that gets

added and if needed, you can cancel the data getting added to the list. You cannot cancel an

Asynchronous event. Asynchronous events are used for business process ow like sending an

e-mail after the item gets added to the list.

Typical scenarios that include creating event handlers are as follows:

Custom data validation so you can avoid adding an item to the list if data

validation fails

Sending a custom e-mail when an item is added to a list

Logging to external database for audit purposes and so on

The custom event receiver you write will be packaged as a solution le (with .wsp extension)

to deploy to SharePoint event host. Every event receiver is bound to some SharePoint object

which is also its host. Site, Web, List, Features, and so on are some of the examples of the

hosts. In the previous versions of the Visual Studio, there were no out-of-the-box templates

that supported SharePoint development. You had to manually create your manifest les and

feature.xml les and use MakeCab.exe for creating your solution les to deploy. The

other alternative was to use open source tools like WSPBuilder for making life a little easier.

However, this is not the case with Visual Studio 2010. There are templates available for Event

Receivers, Workows, List Denitions, Visual Web Parts, and many more. We will work with

many of them in the subsequent chapters.

Do not use event handlers for long running processes. Use Workows

for that purpose. We will handle Workows in Chapter 2, Workows.

Feature receivers like List Event Receivers are handlers that you write when certain

events happen from Features. In the Feature Event Receivers, you can write custom

handlers when events like Feature Installation, Feature Activation, Feature Deactivation,

or Feature Uninstall happens.



Chapter 1

Feature Event Receivers are used when you, as a programmer, needs to create entries in

web.config for database access or if you are a product vendor, then activate license les,

and so on when a Feature is installed or activated. You can also use event receivers for

clean-up activities like removing an entry from web.config or delete a list, and so on when

a Feature is removed or deactivated.

Validating data when an item is added

to a list

In this recipe, we will learn how to create a custom event handler for the ItemAdding

synchronous event. We will validate the data that is being added to the contact list. We will

validate the format of the phone number and e-mail address. The phone number should be

of U.S. format. It must consist of three numeric characters, optionally enclosed in parenthesis,

followed by a set of three numeric characters, and a set of four numeric characters. The

e-mail should follow the standard e-mail notation. We will not allow users to enter some

garbage information in these elds. If the data fails, our custom validation will cancel the

event so that the data is not inserted into the list.

Getting ready

You should have a fully functional development machine with SharePoint 2010

installed and congured. You also need Visual Studio 2010 IDE installed on the same

development machine. The following is the baseline software that is needed to set up

the development machine:

Windows 64-bit compliant OS (like Windows 7 or Windows 2008 R2 server)

NET Framework 4.0 (Visual Studio 2010 will install Framework 4.0 whereas

SharePoint 2010 requires .NET Framework 3.5)

Visual Studio 2010 with or without Service Pack 1

Expression Blend (optional, but would be helpful in following on Silverlight example)

SQL Server 2008 or SQL Server 2008 R2 (express version is also okay)

SharePoint Designer (optional)

SharePoint Server 2010

Microsoft Ofce 2010 (InfoPath forms)

You can refer to step-by-step installation instructions of SharePoint on MSDN (http://msdn.

microsoft.com/en-us/library/ee554869.aspx

). You can also refer to Microsoft 2010

SharePoint Administration Cookbook by Peter Serzo published by Packt Publishing for initial

conguration tasks. Peter provides detailed, step-by-step instructions on enabling Developer

Dashboard, conguring Secure Store, and so on, which we will be using in the coming chapters.

As a developer, it is good to have an understanding of SharePoint Administration as well.



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