I\'ve been struggling with this problem for quite some time now.I just can\'t seem to get my entity objects to update correctly when using UpdateModel().
I have classes like: Person { Name Address } Employee : Person { Co开发者_如何学运维mpensation - object
I recently updated a computed column to be persisted due to poor performance when querying it. However now updates to child records throw this error
This is probably just because my knowledge with the EF Code First fluent API is lacking, but I\'m stumped.
Anyone know of a layered WPF 开发者_Go百科example application (not web application) using Entity Framework Code First?
I\'m getting some strange behaviour from EF Code First when I add an object to the database and select it back from the database in the same HTTP request.
So I\'ve used EF Code First to successfully create my entities and query the database to display the items.
It\'s a little bit hard to find an appropriate title for this. I think it\'s a basic issue, but I can\'t find the solution.
I\'m using EF 4.1 Code First, and I\'m making a configurable utility for parsing/importing large delimited files.Each row in the file may contain data for several entities.
I have an ASP.NET MVC 3 app that is using SQL Server CE 4.0 and Entity Framework 4.1 Code First. It works fine locally, but in production, it fails with the following er开发者_运维百科ror:
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