self-tracking-entities

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STE ChangeTracker.OriginalValues always Empty

I am having trouble getting OriginalValues from my EF STE DTO. var _Item = n开发者_如何学编程ew MyClass();[详细]

2023-04-05 05:59 分类：问答
EF (Self Track Entities) in Winform Application

I want to use Entity Framework(with Self Track Entities) in my winform application; but i could not find any example of STE(Self Track Entities) with winform. Can someone tell if it\'s not recommended[详细]

2023-04-04 00:15 分类：问答
Self tracking entity with "check points"

I\'m working on a WPF 4/Entity Framework 4 (self tracking entities) application. As a proof of concept, I\'m creating a fairly simple UI that\'s bound to an EF entity.[详细]

2023-03-31 10:23 分类：问答
Entity Framework Self-Tracking and Client not tracking changes

How come my client isnt tracking changes. My code below Server WCF with selftracking entities enabled public class TrialService : ITrialService[详细]

2023-03-30 01:00 分类：问答
Error with multiple open data readers for child entity

I have a ef 4 model and I\'m using self tracking entities.In开发者_高级运维 this model there is an entity called Organisation.Each Organisation can have many Locations (addresses).If I try to select a[详细]

2023-03-29 07:02 分类：问答
How to load Entity Framework Self Track TrackableCollection<T> relationship data only when needed?

I use Entity Framework 4 and Self Tracking Entities. The schema is like: Patient -> Examinations -> LeftPictures[详细]

2023-03-28 23:25 分类：问答
deserialized Entity Framework objects creating duplicate records in my database

I have some .NET 4 entity framework objects that I get from the DB, then I serialize them to XML.Then I quit the WPF app (clear out the memory).Then I restart the WPF app and I read them (deserialize)[详细]

2023-03-22 22:46 分类：问答
MS EntityFramework: how to split entity with inheritance?

I have table name Transaction in the DB. I want to have 2 subclasses TransactionA and TransactionB. I\'ve made it as described here: http://www.robbagby.com/entity-framework/entity-framework-modeling-[详细]

2023-03-21 21:59 分类：问答
Self Tracking Entities vs Pure POCO v. Future Proofing (3-tier)

This is obviously a topic that has been discussed many times, however my angle of approach here is a little different.As far as I understand, a STE is considered a POCO (it is not tied to the EF dll i[详细]

2023-03-20 22:50 分类：问答
History in database using entity framework

I want to store history in my table. I have table Employee. Employee { [Id], [name], [phone], [isActive], [createdDate],[详细]

2023-03-20 09:12 分类：问答