Ah yep, good point :)

Regards,
Jordan Knight
Readify - Senior Developer
Suite 206 Nolan Tower | 29 Rakaia Way | Docklands | VIC 3008 | Australia
M: +61 403 532 404 | E: [EMAIL PROTECTED]<mailto:[EMAIL PROTECTED]> | W: 
www.readify.net<http://www.readify.net/>

From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Steven Nagy
Sent: Thursday, 28 August 2008 11:47 AM
To: listserver@ozSilverlight.com
Subject: RE: [OzSilverlight] Linq to sql

Except you just have to set the connection string to your dev database anyway 
when you go to change the LINQ designer (ie add more tables, refresh the 
schema, etc).

Might as well just leave it in there and instead pass the correct connection 
string to the constructor of your Data context.

Sorry, a little off topic from SL. :)

From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Stephen Price
Sent: Thursday, 28 August 2008 10:55 AM
To: listserver@ozsilverlight.com
Subject: Re: [OzSilverlight] Linq to sql

Have the Serialization Mode set correctly, I knew about that one. I didn't 
realise you could remove the connection string from there. That would possibly 
help make things clearer. If I know there's only one connection string it can 
use then I'll feel happier it's using it. Will give that a try...

So how does it know which connections string in the Application config file to 
use? and which config file? The one belonging to the assembly or the 
web.config? My understanding of how this works is that the assembly has a 
nameofassembly.config which is used for things such as Unit tests etc, and then 
if you deploy it with a webapp and it has a web.config then the web.config 
overrides the assembly's config (does it just ignore it or does it load one 
value from assembly config then the same value is over written when the 
web.config is loaded?)
On Thu, Aug 28, 2008 at 8:34 AM, .net noobie <[EMAIL PROTECTED]<mailto:[EMAIL 
PROTECTED]>> wrote:
you can also just set it in the properties dialog for the .dbml

and also note (just in case you did not already know) that you should set the

"Serialization Mode" = "Unidirectional"

if you want to send data from the LinqToSql .dbml via a WCF service to a 
Silverlight Application

i attached a pic incase I am not being clear...


On 8/28/08, Steven Nagy <[EMAIL PROTECTED]<mailto:[EMAIL PROTECTED]>> wrote:

>> This way you can explicitly control your connection string



Or you can just set the connection string to the right one when you instantiate 
your data context???

var db = new MainDataDataContext (SomeHelperClass.DefaultConnectionString);





From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]<mailto:[EMAIL PROTECTED]>] On 
Behalf Of Jordan Knight
Sent: Thursday, 28 August 2008 8:37 AM
To: listserver@ozSilverlight.com
Subject: RE: [OzSilverlight] Linq to sql



Hi Stephen,



You are having a tricky few days :)



Sometimes LINQ to SQL config issues can arise when you have your LINQ classes 
in another assembly...



If this is the case you may be able to get around it by following these steps:



*         In you LINQ to SQL designer (on the dbml file) - go to Properties and 
remove the Connection field.

*         This re-creates the LINQ class with a new constructor that wasn't 
there before you can utilise to override connection strings

*         Create a new cs file to house a partial class:

public partial class MainDataDataContext

    {

        public MainDataDataContext() :

            
base(System.Configuration.ConfigurationManager.ConnectionStrings["someConnSring"].ConnectionString,
 mappingSource)

        {

            OnCreated();

        }

    }



MainDataDataContext is the same class that was created by the LINQ designer. 
This way you can explicitly control your connection string.









Regards,

Jordan Knight
Readify - Senior Developer

Suite 206 Nolan Tower | 29 Rakaia Way | Docklands | VIC 3008 | Australia
M: +61 403 532 404 | E: [EMAIL PROTECTED]<mailto:[EMAIL PROTECTED]> | W: 
www.readify.net<http://www.readify.net/>



From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]<mailto:[EMAIL PROTECTED]>] On 
Behalf Of Stephen Price
Sent: Wednesday, 27 August 2008 11:17 PM
To: listserver@ozsilverlight.com<mailto:listserver@ozsilverlight.com>
Subject: [OzSilverlight] Linq to sql



Hey all,



I was having a problem with my WCF web service talking to the database. I'm 
using Linq to SQL, and discovered that it stores the connection strings in 
settings in the project. If the string in the web.config is not found then it 
falls back to the connection string in the dll. (from settings). That's where I 
discovered my string seems to be an old string. Anyway I have gotten it talking 
to my webhost's database again (they moved the SQL server and it stopped 
working!).



The problem i'm having now is that on the server i'm trying to deploy my app to 
it's got a similar problem, it can't connect to the database. I wrote a command 
line app to make calls to the same assembly the webservice uses to call the 
database, and it has no problems connecting.

The connection string in the command's config and the string in the web.config 
is the same. I've tried changing it from (local) to 
127.0.0.1<http://127.0.0.1/> to the subnet ip address and all seem to fail. I 
see no hits on the database using SQL profiler. It has to be a connection 
string issue but I can't see it for looking. Any ideas anyone? oh, I've set up 
my local machine in a similar manner and it works (using (local)) so putting 
that up on the server you'd think it would work. Could be a cross domain thing 
but the webservice is working its just the database calls by the webservice are 
failing.



thanks!

Stephen

p.s. this was the problem I was trying to solve when I hit the other problem I 
posted earlier today. tough day!



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