Silverlight-Newbie

Here are some answers.

1.       I’d recommend SL 2.0 book in addition to CSLA.  I am not sure how much 2008 book will cover in terms of SL specifics

2.       You can just download the latest sample off CSLA for Silverlight download page on Lhotka.net.  There is a half-a-dozen of samples for various scenarios.  Rolodex is the most complete one, especially if you are using remote data portal.

3.       You can certainly use EF if you would like.  CSLA does not really care where/how you get the data to populate business objects.  I am not sure about best practices, seems like not too many people here on the forum are using EF.  The pattern will be similar to Project Tracker which is using L2S.  I think there is even an object manager class (ObjectContextManager) for EF context in 3.6 to help you manage the data context.  Here is a unit tests we used to test the object, which will give you an idea on how to use it.

using (var objectContextManager = ObjectContextManager<DataPortalTestDatabaseEntities>.GetManager("DataPortalTestDatabaseEntities", true))

      {

        Assert.IsNotNull(objectContextManager);

        var query = from p in objectContextManager.ObjectContext.Table2

                    select p;

        Assert.IsTrue(query.ToList().Count > 0, "Data in table is missing");

      }

Sergey Barskiy

Principal Consultant

office: 678.405.0687 | mobile: 404.388.1899

Magenic ®

Microsoft Worldwide Partner of the Year | Custom Development Solutions, Technical Innovation

Hi,
This is my first post and I???m trying to use a framework with a new Silvelight LOB project. I find CSLA very interesting viewing some sample code over the internet.

I have a some of questions:

1) Where can I find reading material to lean CSLA to Silvelight, giving its learning curve?
(Will the Amazon "Expert C# 2008 Business Objects" book explain CSLA to SL?)

2) I haven't used tortoise before, but I have installed it in my PC, where do I get the info to fill in the blanks in the tortoise checkout for downloading the Rolodex sample? is there any other SL-2.0-RTW compatible project sample?

3) I would like to keep "LINQ to (entities?)" for complex queries instead of Stored Procedures or ADOs raw selects. Is there any convention or best practice for CSLA here?

Sorry for the newbie questions, but I??m really interested in the CSLA framework and the way it orders aspects for scaling.
Rogercito.

I am afraid you found an issue with SL grid that was reported a while ago.  I have not seen it in a while, and I thought it was fixed.  I think the only workaround I found (it has been a while though) was to create a new grid and bind it to BO after cancel.  I am not 100% sure though on this workaround.

Sergey Barskiy

Principal Consultant

office: 678.405.0687 | mobile: 404.388.1899

Microsoft Worldwide Partner of the Year | Custom Development Solutions, Technical Innovation

By the way, when I delete a line in the lower phone/fax grid of the rolodex app, it behaves strange(the row doesnt dissapear completly), and the cancel button doesnt refresh the this grid properly. I couldn't locate a post discussing this issue.
Any ideas what could be happening with this visual misbehavior?

I was able to reproduce this issue even without using CSLA, actually, so the problem has nothing to do with validated columns.

Sergey Barskiy

Principal Consultant

office: 678.405.0687 | mobile: 404.388.1899

Microsoft Worldwide Partner of the Year | Custom Development Solutions, Technical Innovation

Just for feedback about this problem, it appears to be a bug of the SL2RTW version not present in the betas.
http://silverlight.net/forums/p/41538/121028.aspx#121028

I played a little with the componentone and devexpress grids and they didnt show this problem (no ValidatedDataGridTextColumn tho)

Roger

You cannot.  Those are setup for MS grid.  You have to use template columns (if grid support those) probably add put PropertyStatus inside data template for those columns.  I did the same as experiment for combo box column, and it works.  You can look at this case in the latest Rolodex – contacts grid – combo box column.

Sergey Barskiy

Principal Consultant

office: 678.405.0687 | mobile: 404.388.1899

Microsoft Worldwide Partner of the Year | Custom Development Solutions, Technical Innovation

Indeed, nothing to do with CSLA, hopefully the microsoft team solve this issue soon.
I didn't know how to use the ValidatedDataGridTextColumn with the C1 an Devexpress grid controls.

Roger

I really do not know.  It was reported to them, but somehow did not make the cut.

Sergey Barskiy

Principal Consultant

office: 678.405.0687 | mobile: 404.388.1899

Microsoft Worldwide Partner of the Year | Custom Development Solutions, Technical Innovation

Do you happen to know if Microsoft is fixing this DataGrid problem?
Its just so essential to build line of business applications, I don??t see why isn't on the top of the bug list.

Roger