Entity Framework 3.5 Error 3007
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at lines … : Non-Primary-Key column(s) [ColumnName] are being mapped in both fragments to different conceptual side properties - data inconsistency is possible because the corresponding conceptual side properties can be independently modified. Finally I managed entity framework 3.5 stored procedure to solve the problem. I added a foreign key to a table, so Entity
Entity Framework 3.5 Tutorial
Framework generated an association. The association name was the same as the foreign key field name. Designer never removes CSDL objects, so are being mapped in both fragments to different conceptual side properties. these names were the same. I had to remove the entity field to make the model valid. Now it works fine. Email ThisBlogThis!Share to TwitterShare to FacebookShare to Pinterest Labels: C#, Programming Newer Post Older Post error 3004: problem in mapping fragments starting at line Home Subscribe to: Post Comments (Atom) Pages Home About me Blog Archive ► 2015 (3) ► September (1) ► June (2) ► 2014 (4) ► May (3) ► February (1) ► 2013 (3) ► November (1) ► April (2) ► 2012 (7) ► September (3) ► August (1) ► April (1) ► February (1) ► January (1) ► 2011 (4) ► November (1) ► September (3) ► 2010 (16) ► December (1)
Error 3015 Problem In Mapping Fragments
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here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies problem in mapping fragments potential runtime violation of table keys of this site About Us Learn more about Stack Overflow the company no mapping specified for the following entityset/associationset Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a http://techiethings.blogspot.com/2009/03/entity-framework-error-3007.html minute: Sign up Getting Error 3007 when I add my Entity Model up vote 6 down vote favorite 3 I am getting an error 3007 when I add my entity model to my solution. I found these links: Good explination Short answer About this error: Error 1 Error 3007: Problem in Mapping Fragments starting at lines 89, 94: Non-Primary-Key column(s) [Person_ID] are http://stackoverflow.com/questions/1369656/getting-error-3007-when-i-add-my-entity-model being mapped in both fragments to different conceptual side properties - data inconsistency is possible because the corresponding conceptual side properties can be independently modified. Their Answer: I agree with their conclusion that by simply deleting the Scalar Property Person_ID and leave the Navigation Property my problem is fixed. However this is not very scalable since I am dynamically building my database and my entity is updated very often. I dont want to have to go through and clean up my entity every time I update it. My Question: Is there a way to fix the error by correcting the way EF builds the entity? Or is there a way to remove the Scalar Property through code? Perhaps there is even a few options that I am overlooking. entity-framework entity-relationship share|improve this question asked Sep 2 '09 at 19:29 johnnywhoop 539419 add a comment| 2 Answers 2 active oldest votes up vote 0 down vote accepted My experience with EF v1 is similar to yours. When the EDM is generated incorrectly and you can't work around the issue, you have to manually edit
In August of 2008, Microsoft released the first service pack (SP1) for Visual Studio 2008. It included the first version (1.0) of Microsoft’s generalized ORM, the Entity Framework. We at Encodo were quite interested as we’ve had a lot of http://blogs.encodo.ch/news/view_article.php?id=158 experience with ORMs, having worked on several of them over the years. The first was a framework written in Delphi Pascal that included a sophisticated ORM with support for multiple back-ends (Sql Server, SQLAnywhere http://blogs.adatis.co.uk/sacha%20tomey/post/HACK-Exposing-Foreign-Keys-as-Properties-through-the-ADONET-Entity-Framework and others). In between, we used Hibernate for several projects in Java, but moved on quickly enough.[1] Most recently, we’ve developed Quino in C# and .NET, with which we’ve developed quite a few WinForms entity framework and web projects. Though we’re very happy with Quino, we’re also quite interested in the sophisticated integration with LINQ and multiple database back-ends offered by the Entity Framework. Given that, two of our more recent projects are being written with the Entity Framework, keeping an eye out for how we could integrate the experience with the advantages of Quino.[2] What follows are first impressions acquired while building the data entity framework 3.5 layer for one of our projects. The database model has about 50 tables, is highly normalized and is pretty straightforward with auto-incremented integer primary keys everywhere, and single-field foreign keys and constraints as expected. Cascaded deletes are set for many tables, but there are no views, triggers or stored procedures (yet). Eventually, EF will map your model and the runtime performs admirably (so far). However, designing that model is not without its quirks: Be prepared to have minor changes in the database result in a dozen errors on the mapping side. Be prepared for error messages so cryptic, you’ll think the C++ template compiler programmers had some free time on their hands. Be prepared to edit XML by hand when the designer abandons you; you’ll sometimes have to delete swathes of your XML in order to get the designer to open again. Be prepared to wait quite a while for the designer to refresh itself once the model has gotten larger. Be prepared to regularly restart Visual Studio 2008 once your model has gotten bigger; updating the model from the database even for a minor change either takes a wholly unacceptable amount of time or sends the IDE into limbo; either way, you’re going
Foreign Keys as Properties through the ADO.NET Entity Framework 16. October 2009 SachaTomey Business Intelligence, Gemini, SQL Server 2008, Entity Framework, Visual Studio 2008, .Net 3.5 (1) First post for months; the PerformancePoint Planning announcement forced some redirection and rebuilding. We’ve grieved, we’ve moaned, but at some point, you just have to move on. ----------------- I’m not a fan of hacks – it normally means you are doing something wrong, but in this case, where I’m after a quick win, I’ve had to work out and resort to a bit of a hack. It actually looks like the issue I’m facing maybe addressed in Entity Framework v2 (Microsoft .NET 4.0) – so maybe it’s more of a workaround than a hack after all ;o) I’m using the ADO.NET Entity Framework and ADO.NET Data Services to expose a subsection of a database for consumption by Gemini. In order to relate the exposed database objects together in Gemini, I need to apply this hack to ensure I have Foreign Keys available in my Gemini models to support creating the relationships. By default, the Entity Framework exposes Foreign Keys as Navigation Properties rather than Scalar Properties. Gemini does not consume Navigation Properties. Lets take the scenario where I want to create an Entity Framework Model based on the following tables from the AdventureWorksDW2008 sample database: -FactInternetSales -DimCustomer -DimProduct -DimSalesTerritory Step 1) Identify the table(s) that contain Foreign Keys. In this case FactInternetSales. Step 2) Load those table(s) into the Entity Framework Model on their own. This ensures the Foreign Keys are set as Scalar Properties. If you load in all the tables at once, the Foreign Keys are not exposed as Scalar Properties. Step 3) Load in the related tables. (DimCustomer, DimProduct, DimSalesTerritory) At this point a bunch of Navigation Properties would have been set up, along with relationships between the related tables but the trouble now is the project will no longer build. If you try you receive the following error for each relationship: Error 3007: Problem in Mapping Fragments starting at lines 322, 428: Non-Primary-Key column(s) [CustomerKey] are being mapped in both fragments to different conceptual side properties - dat