entitycollection

How to Sort WinForms DataGridView bound to EF EntityCollection<T>

I\'m trying to bind a WinForms DataGridView to an EntityCollection<T> from an EntityFramework4 object.The trouble is, I can\'t figure out how to get it to sort (automatically).[详细]

2023-03-03 10:37 分类：问答

EntityFramework EntityCollection Observing CollectionChanged

I\'m using EntityFramework database first in an application. I would like somehow to be notified of changes to an EntityCollection in my ViewModel. It doesn\'t directly support INotifyCollectionChange[详细]

2023-02-21 18:54 分类：问答

Adding to EntityCollection adds to the end of collection in Entity Framework?

I\'m trying to have a View where the user can add items in a collection without having to go to a new View (the scenario is a sort of CV site where the user adds info about work experience, skills, et[详细]

2023-02-13 19:48 分类：问答

How can I convert an EF4 Code-First ICollection to an EntityCollection?

Say I have the following entity: public class Post { public int Id { get; set; } public virtual ICollection<Comment> Comments { get; set; }[详细]

2023-02-12 00:00 分类：问答

Intersect with 2 EntityCollections via custom IEqualityComparer

Not to repeat this question too much, but I already did a search and came up empty on a result.So I have two EntityCollections of type T and I would like t开发者_运维知识库o find the common items in e[详细]

2023-02-06 05:36 分类：问答

How do I get a Windows Forms DataGridView to show new records when bound to EntityCollection

Trying to add new records to the EntityCollection at r开发者_如何学Cuntime and have the the DataGridView update with the new information.[详细]

2023-02-06 01:41 分类：问答

'Contains' method returns false

I\'ve got some strange issue. I\'ve an EntityCollection< T > which contains an element but the Contains method returns false.[详细]

2023-02-04 19:10 分类：问答

Revert chages in EntityCollection on click of cancel

I have a wpf window wherein grid is bound to entityCollection. herein I add/dele开发者_开发问答te a record to grid and then click cancel button. How can I revert the chages made to the entitycollectio[详细]

2023-01-28 12:13 分类：问答

Linq to entities - how to select entities with a where condition on their entitycollection?

I found several times people asking for the same question but it seems that the answer was never satisfying altough it should be pretty easy (in theory). Here is my question :[详细]

2023-01-19 12:20 分类：问答

Insert Entity into EntityCollection w/ RIA

I\'ve got a one-to-many relationship set up. (Ex. A Person with many Phone Numbers). In my get query i have this.ObjectContext.Person.Include(\"PhoneNumbers\") and the in generated MetaData including[详细]

2023-01-12 00:58 分类：问答