This tag is for the ADO.
I have a webforms project using EF codefirst to persist data. I'd like to use a GridView and EntityDataSource, in …
gridview entity-framework-4.1 ef-code-first entitydatasourceI have the situation where a User can have several addresses. Accordingly, I have an ICollection on my user class. …
entity-framework ef-code-first entity-framework-4.1 fluent-interfaceI am getting this error when using Entity Framework 4.1 code first. I can not find any sources of what exactly …
entity-framework entity-framework-4.1 ef-code-first connection-stringI am having this kind of "mysterious" issue here. I am currently using Entity Framework 4.1 Code First approach with my …
sql-server-2008 asp.net-mvc-3 entity-framework-4.1 ef-code-first code-firstI'm faced with a confusing problem where in my Edit or Create action result methods, EF4 will throw a DbEntityValidationException …
entity-framework asp.net-mvc-3 entity-framework-4.1I've researched some information about techniques I could use to unit test a DbContext. I would like to add some …
unit-testing entity-framework-4.1If i have declared entity relationship in my model as virtual then there is no need to use the Include …
entity-framework-4.1As i dig deeper in to the DbContext, DbSet and associated interfaces, I am wondering why you would need to …
repository-pattern entity-framework-4.1 unit-of-workI'm trying to find a way to determine of any changes have been made to a database context (DbContext). Note: …
entity-framework entity-framework-4.1Looking at my Elmah error logs, I am seeing a few InvalidOperationExceptions from Entity Framework that deal with: The context …
c# entity-framework ef-code-first entity-framework-4.1