Hi all

Yesterday I posted a problem I was having with ADO Entity Data Source. I've since found that maybe the problem is a little deeper than I thought.

I was trying to make my first bespoke module (a very simple one) and using the tutorial at http://www.adefwebserver.com/DotNetNukeHELP/DNN5_HelloWorld/DNN5HelloWorld2.htm as a framework. Now I'm fairly sure that I got that working on Sunday. As I was still having problems yesterday I figured that going back to square one was a good plan and went through the tutorial again. This time it barfed. Twenty-four hours of trying to trace back has me mystified.

If I create (in VS 2010) a new project, copy the DNN database into the App_Data folder, set up a connection, add a LinqToSQL class and drop a table on it, all is well. If I use DNN as the project, I add a LinqToSQL class, drop a table from the existing connection, again all is well - so far.

In the 'my project', I then add a Web User Control, put a LinqDataSource on the page, open the configure connection, and I have a value in the dropbox if I select to show only Data Contexts. If I do the same thing in DNN, I have no Data Contexts if I select 'show only, but the Context Object is available in the dropbox. If I select it, accept the table offered and carry on through all appears well, until I try and build when it barfs with 'EntityTypeName' is not a member of 'System.Web.UI.WebControls.LinqDataSource'. I've added references to about everything I can think of, and it still doesn't work.

It's a clean install of DNN (about the thirtieth in the last 24 hours) and I don't think I've done anything to the SQL Server or VS setups since I had it working on Sunday. I'm much confused after chasing my tail for hours over something that's still on the nursery slopes of the learning curve. :)

As always, any pointers will be most gratefully accepted.

Cheers

Ian

welcome again :)

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