Errata

The "this.repeatWhile = " in the last line of the code example should be set to 'true', not false. Or simply not set, as it is initialised as 'true'.

Running listing 5.6 give me the following error:

System.NotSupportedException was unhandled
Message=Specified method is not supported.
Source=Microsoft.SharePoint.Client.Runtime
StackTrace:
at Microsoft.SharePoint.Client.ClientQueryable`1.GetEnumerator()
at DevLeap.ManagedClientOMDemo.Program.BrowseForContactsWithLINQ() in ...\Books\Microsoft SharePoint 2010 \Final code\SP2010-Developer-Reference\Ch-05-Client-Side-Technologies\DevLeap.ManagedClientOMDemo\DevLeap.ManagedClientOMDemo\Program.cs:line 343
at DevLeap.ManagedClientOMDemo.Program.Main(String[] args) in ...\Books\Microsoft SharePoint 2010 \Final code\SP2010-Developer-Reference\Ch-05-Client-Side-Technologies\DevLeap.ManagedClientOMDemo\DevLeap.ManagedClientOMDemo\Program.cs:line 36
InnerException:

Note from the Author or Editor:
I've just posted a fix to the code sample. You can find it here: http://www.sharepoint-reference.com/Blog/Lists/Posts/Post.aspx?ID=18

The paragraph refers to listing 15-4. The listing 15-4 does not exist.
The listings jump from 15-3 to 15-5

Note from the Author or Editor:
The 15-5 code listing should be 15-4. And all the code samples strting from 15-5 should be left shifted.

Listing 7-7 on Page 218 shows an excerpt of the AjaxCategoriesWebPart. In the corresponding class (provided in code samples) the ID of gridCategories is not assigned with any value because of which the TriggerControlID property is always null and Ajax functionality doesn't work, the code sample needs to be corrected. I'd suggest if possible this particular point to assign value to gridCategories.ID property should be mentioned in the text.

Thanks

Note from the Author or Editor:
Yes, the sample code is missing the assignement of the ID attribute of the gridCategories control. You should declare it in CreateChildControls() method of the AjaxCategoriesWebPart control.