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entity-framework-4

Entity Framework 4 / POCO – Where to start? [closed]

by IT Nursery

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Questions asking us to recommend or find a … Read more

Tags entity-framework, entity-framework-4, linq-to-entities, poco

SNIReadSyncOverAsync and WaitForSingleObject blocking EF performance?

by IT Nursery

I am doing some profiling on a WCF service that uses EF (System.Data.Entities) to read from a SQL DB. When I spin up … Read more

Tags .net, c, entity-framework-4, wcf

The object ‘DF__*’ is dependent on column ‘*’ – Changing int to double

by IT Nursery

Basically I got a table in my EF database with the following properties: public int Id { get; set; } public string Title … Read more

Tags database, entity-framework, entity-framework-4, sql, sql-server

What’s the difference(s) between .ToList(), .AsEnumerable(), AsQueryable()?

by IT Nursery

I know some differences of LINQ to Entities and LINQ to Objects which the first implements IQueryable and the second implements IEnumerable and … Read more

Tags entity-framework, entity-framework-4, entity-framework-5, linq-to-entities

How to update only one field using Entity Framework?

by IT Nursery

Here’s the table Users UserId UserName Password EmailAddress and the code.. public void ChangePassword(int userId, string password){ //code to update the password.. } … Read more

Tags dbcontext, entity, entity-framework-4, field, sql

What effect(s) can the virtual keyword have in Entity Framework 4.1 POCO Code First?

by IT Nursery

Does the virtual keyword has an effect when used on the properties in EF Code First?. Can someone describe all of its ramifications … Read more

Tags ef-code-first, entity-framework-4, entity-framework-4.1

The model backing the context has changed since the database was created

by IT Nursery

The error message : “The model backing the ‘AddressBook’ context has changed since the database was created. Either manually delete/update the database, or … Read more

Tags .net, code-first, entity-framework-4

Introducing FOREIGN KEY constraint may cause cycles or multiple cascade paths – why?

by IT Nursery

I’ve been wrestling with this for a while and can’t quite figure out what’s happening. I have a Card entity which contains Sides … Read more

Tags .net, ef-code-first, entity-framework, entity-framework-4, foreign-keys

Entity Framework Timeouts

by IT Nursery

I am getting timeouts using the Entity Framework (EF) when using a function import that takes over 30 seconds to complete. I tried … Read more

Tags asp.net, c, connection-string, entity-framework, entity-framework-4

EF Migrations: Rollback last applied migration?

by IT Nursery

This looks like a really common task, but I can’t find an easy way to do it. I want to undo the last … Read more

Tags database-migration, entity-framework, entity-framework-4, entity-framework-migrations
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