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Andrew Siemer's Blog Enterprise Web Applications, ASP.NET MVC, C#, SQL Server, Architecture, & Writing March 2009 Entries
ILOG Rules for .NET 3.0 – quick overview
I have been working on a project for the past year or so. This project was originally decided to be implemented in a BizTalk environment. Although most of us were new to this form of SOA development we went ahead with the understanding that we would eventually learn enough to stand up, manage, and develop for BizTalk. With this in mind we developed our entire application in such a way that we thought the app would simply plug in to the BizTalk environment (from an orchestration point of view any ......

Posted On Monday, March 30, 2009 3:14 PM

Entity Framework : An entity object cannot be referenced by multiple instances of IEntityChangeTracker.
I just had this error where entity framework was complaining about my object already being referenced by the data context that I originally got the object from. In LINQ to SQL I guess this was just taken care of for me. I would get the object in a using statement so that the data context was cleared when I was through with the context. Then I could do what ever I wanted to with the object after that – to include throwing it back to the database. I came across the fix to this issue here: http://social.msdn.microsof... ......

Posted On Friday, March 27, 2009 2:12 PM

Entity Framework : At first glance the LINQ to SQL team didn’t transition fast enough!
I started looking at the latest the EF team had to offer and while things have progressed immensely over the years it appears that there is still some room for improvement. Given the turmoil over the possible demise of LINQ to SQL I know that the use of Entity Framework is inevitable for me and probably just around the corner. With my newest project I have started to plug in an ADO.NET Entity Data Model (EDMX) where I would normally plug in LINQ to SQL Classes (DBML). I still dropped the file into ......

Posted On Tuesday, March 3, 2009 1:52 PM

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