microsoft.data.connectionui

I am looking for examples on how this is implemented with Sybase, Oracle Rdb and other RDBMS databases?
TimPeerAsked:
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grayeConnect With a Mentor Commented:
Yes, I would assume you could....    But don't you find it odd that nobody else has already done this?
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grayeCommented:
I'm confused by the question.... are you trying to use the built-in "Choose Data Source"  dialog box in your application?
If so, it goes like this:
1) Step 1:  add a reference to Microsoft.Data.ConnectionUI and Microsoft.Data.ConnectionUI.Dialog.  These DLLs do NOT show in the list of available References, you must browse for them at C:\Program Files\Microsoft Visual Studio 8\Common7\IDE
2) Step 2: Use like this:

        Dim d As New Microsoft.Data.ConnectionUI.DataConnectionDialog
 
        Microsoft.Data.ConnectionUI.DataSource.AddStandardDataSources(d)
 
        If Microsoft.Data.ConnectionUI.DataConnectionDialog.Show(d) = Windows.Forms.DialogResult.OK Then
            cmbProvider.Text = d.SelectedDataProvider.Name
            tbConnect.Text = d.ConnectionString
        End If

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TimPeerAuthor Commented:
Thanks Grave,

I need to added additional data sources to the list, e.g. MySQL.Data, Oracle.DataAccess.OracleRdb, Oracle.DataAccess.OracleClient and others. Is this possible with the existing implementation or do must i roll-my own?
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grayeCommented:
No, the built-in dialog box will automatically show every .Net provider that's installed on your system.    So, if the "native" oracle .Net providers are installed, they will show up in the list
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TimPeerAuthor Commented:
I installed the ODP Oracle .Net drivers and the Rdb from installation kit. When I load the connection dialog, I don't see the drivers referenced. In which directory are these drivers normally installed? Could it be that simple?
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grayeCommented:
No, I don't think the directory has anything to do with it.   For example, when I installed the older "Oracle Data Provider for .NET", I got another entry in the dialog box.   I didn't have to do anything... just install the Oracle parts, then presto... I got another entry.
So, I had assumed that the newer ODP.Net would also behave the same way.   I don't recall doing a reboot... but I guess you could try that.
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grayeCommented:
Oh wait... are you running a 64-bit OS?
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TimPeerAuthor Commented:
Nope 32 bit Windows XP.
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grayeCommented:
So, what do you have in the list of providers?
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TimPeerAuthor Commented:
Just the microsoft providers which is odd. There is a reference to an Oracle driver but the driver loads the Microsoft Variant system.data.oracle not oracle.dataaccess.client.

It seems creqting a new dialog is needed to handle the 4 other database sources mysql, sybase, oracle client, rdb. I hoped I could inject the driver's assy into the dataprovider class but it isn't clear how I would do this.

Thanks for your continued interest.
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grayeCommented:
Hummm... I had assumed that the Oracle driver in the list was just a wrapper for ODP.Net.
Recall that each provider has to have a DDEX extension for it to appear in the list.   I had assumed that the "Oracle" driver in the list was this DDEX wrapper.
http://msdn.microsoft.com/en-us/library/ms379576.aspx 
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TimPeerAuthor Commented:
I think that is in large part, the problem. Apparently, the Oracle.dataaccess.oracleclient and Oracle.dataaccess.oraclerdb assy do not support the DDEX extension. Microsoft ships Sytem.data.oracle (which I believe is the mapping you described). The connection dialog for the "Oracle" oracle client  is markedly different from the dialog raised by the microsoft variant.

Can a DDEX wrapper be created for these drivers?
I will issue the points to you but don't want to close the thread just yet.

Thanks!

Tim
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grayeCommented:
Hummm... have  you tried the Oracle Developer Tools (ODT) for Visual Studio?    That *might* include the DDEX library... just guessing!
http://www.oracle.com/technology/tech/dotnet/tools/index.html 
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TimPeerAuthor Commented:
Indeed. My preference is to NOT reinvent the wheel on this one. If you know of other sources to implement the wrapper, please forward them my way.

Thanks again!!!!

peert[_at_]envysys.com
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corebizCommented:
Check out

http://msmvps.com/blogs/carlosq/archive/2008/01/16/more-on-quot-howto-using-the-choose-data-source-dialog-of-visual-studio-2005-from-your-own-code-quot.aspx

Pretty good explanation plus links to more discussions.
Basically microsoft do not supprt the use of this component in your own application.
You may not be licensed to use it in your own app.
It does not seem to be able to support adding your own sources.
vrett
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