objectcontext

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Execute a SQL stored procedure before every query generated by EntityFramework

I need to execute a SQL stored procedure every time before I query my ObjectContext. What I want to achieve is setting the CONTEXT_INFO to a value which will be later on used with most of my queries.[详细]

2023-01-20 12:35 分类：问答
How do I query navigation properites using linq to sql and ef

I am trying to strongly type a query for 3 ef objects using linq to sql. There are one-to-many relationships with product and category.My classes contain navigation properties and look like this.[详细]

2023-01-19 03:51 分类：问答
Entity Framework Update Methods

I have a few entities I\'d like to update at the same time. However I\'d like to write individual update methods in each classes partial class file, for each entity and call them all at the same time.[详细]

2023-01-18 10:49 分类：问答
EF4 DAL design and the ObjectContext: Argument with co-worker

I work with a senior developer who is a guru .NET architect. We have had many constructive arguments over the last 6+ months and generally I concede defeat in most of our di开发者_运维问答scussions. I[详细]

2023-01-18 04:09 分类：问答
How to clear contents of ObjectContext in Entity Framework 1.0

Is there a method of manually clearing/resetting an ObjectContext back to its initial state? Note that I can\'t just instantiate a new context.[详细]

2023-01-17 18:07 分类：问答
ObjectContext.SaveChanges() violates primary key, throws UpdateException?

Paraphrasing from this MSDN documentation ... An INSERT statement is generated by the Entity Framework and executed on[详细]

2023-01-15 18:22 分类：问答
IQueryable Repository with StructureMap (IoC) - How do i Implement IDisposable?

If i have the following Repository: public IQueryable<User> Users() { var db = new SqlDataContext();[详细]

2023-01-15 01:02 分类：问答
EF save to Context but not to Datasource

Having a EF Context and a Testenity I want to get the following test to work. TestEntity testEntity = new TestEntity() { Name = \"Hello World\" };[详细]

2023-01-10 08:32 分类：问答
Refresh ObjectContext or recreate it to reflect changes made to the database?

I have a web service that exposes operations to and from a database. I\'m using Entity Framework 4 for the DAL.[详细]

2023-01-08 18:08 分类：问答
C# - Entity Framework add new object to ObjectContext

im working with Entity Framework, SQL and C#. i have a Table called Client and other called clients_phone.[详细]

2023-01-07 20:52 分类：问答