Hi,

If you wonder how to implement a custom header pattern in XSL for a custom field type in either SharePoint Foundation or SharePoint Server, here is an example that you can download showing how to do.

In this little example, we'll implement a custom field type inheriting from Text that will show the number of entries having that same value within the list. You could achieve this by creating a view that groups the elements on that field & shows the totals but this is just to show an example :).

So, here is a screenshot of the functionality

When you click on the value contained in that specific column, you get an alert message showing you how many items in the list have the same value for that column. In this example, when you click on value 1, you get 2 since two rows contain this value as shown below:

Hi,

As you know already, SharePoint 2010 uses an XSLT engine to render views & custom field types. You can still use CAML views but it defaults to XLST.

I've just built a custom field type whose the parent type was "Choice". While building the corresponding XSLT, I didn't find the "mode" I was supposed to use...So, in case, the same story happens to you, an easy way to know which mode you're supposed to use is to examine the out-of-the-box file delivered with any SharePoint installation.

I'm talking about this file:

Hi,

I'll be presenting a session at the MIC on September 15 2010 along with a few others fellow SharePoint guys. The covered topics are quite exciting:

- SharePoint workflows
- Building BCS over custom WCF services
- InfoPath 2010
- Querying data in SharePoint 2010 (LINQ, CAML, RESTFUL) + using XLST to render views
- The Client Object Model (Silverlight, .NET & ECMAScript)

The full description & registration (it's free) page is available here :

http://www.fikket.be/mic/event/214

Happy coding!

Hi,

In regular server-side SharePoint coding, when we want to check whether the current user has specific permissions on a list, we can use the method SPList.DoesUserHavePermissions(). This method isn't available from the Client Object Model but you can easily create your own this way:

You can use a similar technique with the Silverlight Client OM but you'll be forced to check asynchroneously!

Happy coding!

Hi,

I've seen and I got a lot of questions regarding the client object model and its two execution methods which are:

- ExecuteQuery() => synchroneous
- ExecuteQueryAsync(callback success,callback failure) => asynchroneous

As a quick reminder, if you execute the following code:

The code waits until SharePoint sends a response back. This can be useful if you want to make your code conditional upon SharePoint's answer.

While, here:

Hi,

As many of you might know already, when you run PowerShell in 32 bits mode against a SharePoint 64 bits, you'll get unexpected troubles when dealing with some assemblies. For instance, SPFarm.Local is always null...

Warning: I've just (on Sun. may 16) re-amended the code to be compatible with the RTM.
Today, after a trafic jam session (thanks Vilvoorde...) because of which I got late, I presented a session on how WCF is integrated into SharePoint 2010 beta2 (I've not tested yet on the RTM bits) and more particularly how you can benefit from the RESTFUL services and more particularly from ListData.svc.

Hi,

The video explaining how the gallery was built has now been published.

http://channel9.msdn.com/posts/adebruyn/Siverlight-and-SharePoint-2010-Picture-gallery-sample-using-the-client-object-model/

Happy coding!

Update: I've just (21/07/2010) recompiled the gallery with the latest SilverLight 4 bits, so you won't get a "this application was created for an expired version...." anymore
Hi,

Hi All,

My session on SPLINQ has been published on Channel 9 at http://channel9.msdn.com/posts/katriendg/BIWUG-session-LINQ-to-SharePoint/. You can watch the other sessions at http://channel9.msdn.com/posts/katriendg.

Happy coding!