A tag for ADO.
I have been working with Entity Framework 4 recently, and am slightly confused as to when to use ObjectSet.Attach, and …
c# .net entity-framework-4 crudI have a one entity framework object and when I add it to my project, the connectionstring is added to …
entity-framework entity-framework-4I am getting this error "The object cannot be deleted because it was not found in the ObjectStateManager." My code …
c# asp.net entity-framework-4I have simple entity: public class Hall { [Key] public int Id {get; set;} public string Name [get; set;} } Then in …
c# .net entity-framework-4I am trying to use a stored procedure in Entity Framework that returns nothing. I did the following: Added a …
c# stored-procedures entity-framework-4 silverlight-4.0I've narrowed this down to some issue between Code First and Database first EF, but I'm not sure how to …
c# .net entity-framework-4Please any one can help me to fix this error? Schema specified is not valid. Errors: The mapping of CLR …
c# entity-framework entity-framework-4I am looking a way to set CommandTimeout for DbContext. After searching I found the way by casting DbContext into …
c# entity-framework-4 dbcontext command-timeoutI get this error when writing to the database: A dependent property in a ReferentialConstraint is mapped to a store-generated …
c# sql-server-2008 linq-to-sql entity-framework-4It seems that lazy loading is enabled by default in EF4. At least, in my project, I can see that …
entity-framework lazy-loading entity-framework-4