Professional SharePoint® 2010 Branding and User Interface Design

370

❘

CHAPTER 13 THE CLIENT OBJECT MODEL AND JQUERY

FIGURE 13-2

This code actually uses the new SharePoint dialog framework APIs to perform the page refresh.

Running the application now will display the site’s title in the text box and then set the site’s title

when you click the button. After the title is updated, the page refreshes to show the new site title.

This is a very simple example, but it clearly demonstrates a code pattern for using the Client Object

Model: Defi ne the objects to retrieve, load them on the query queue, execute them on the server, and

handle the callback. As you look at more complex examples in the next section, you will use this

pattern over and over again.

COMMON LIST OPERATIONS

Now that you have a good understanding of the fundamentals, let’s look at a few of the most

common tasks you will use the Client Object Model for: reading and writing SharePoint list data.

In this sample, you will add a Visual Web Part to the solution and add buttons to call the various

584644c13.indd 370584644c13.indd 370 10/27/10 11:44:34 AM10/27/10 11:44:34 AM

Common List Operations

❘

371

operations. You also will see how to use a separate JavaScript fi le to contain most of the Client

Object Model code to call SharePoint.

1. Add the following code to your Visual Web Part. This ...