Questions tagged [entityset]
54 questions
40
votes
3 answers
EntitySet - is there a sane reason that IList.Add doesn't set assigned?
There are 3 ways of adding items to most lists...
via a direct public API method, typically Add(SomeType)
via the generic IList.Add(T) interface
via the non-generic IList.Add(object) interface method
and you normally expect them to behave more…
Marc Gravell
- 1,026,079
- 266
- 2,566
- 2,900
19
votes
1 answer
RIA Services EntitySet does not support 'Edit' operation
Making my first steps in RIA Services (VS2010Beta2) and i encountered this problem:
created an EF Model (no POCOs), generic repository on top of it and a RIA Service(hosted in an ASP.NET MVC application) and tried to get data from within the ASP.NET…
Savvas Sopiadis
- 8,213
- 10
- 34
- 53
14
votes
2 answers
Generic List to EntitySet Conversion
How do I Convert a System.Collections.Generic.List to a System.Data.Linq.EntitySet ?
Johnny
- 1,555
- 3
- 14
- 23
10
votes
7 answers
LINQ-to-SQL + One-to-Many + DataBinding deleting
I use LINQ-to-SQL to load data from a database that has two tables in a one-to-many relationship (one Recipe has many Ingredients).
I load a Recipe and LINQ retrieves Ingredient objects into an EntitySet that is binded into a ListBox.
If I want to…
Jurij
- 179
- 1
- 3
- 9
5
votes
4 answers
ASP.NET MVC/LINQ: What's the proper way to iterate through a Linq.EntitySet in a View?
OK so I have a strongly-typed Customer "Details" view that takes a Customer object Model.
I am using LINQ to SQL and every Customer can have multiple (parking) Spaces.
This is a FK relationship in the database so my LINQ-generated Customer model has…
Jeff Camera
- 5,324
- 5
- 44
- 59
5
votes
3 answers
ASP.NET MVC Model Binding Related Entities on Same Page
This problem has been driving me crazy for several hours now...
In my domain, I have 2 entities that are related to each other Sku and Item. Each sku can have many items.
public class Sku
{
private readonly EntitySet- items;
public…
Jeremy Durnell
- 109
- 1
- 9
3
votes
1 answer
Using multiple parent IDs for cutoff times in deep feature synthesis
My data looks like: People <-- Events <--Activities. The parent is People, of which the only variable is the person_id. Events and Activities both have a time index, along with event_id and activity_id, both which have a few features.
Members of the…
Gabe
- 89
- 5
3
votes
3 answers
HowTo update/modify LINQ EntitySet?
In my LINQ to SQL generated classes I have some classes containing EntitySets.
Everything looks great until I need to modify the EntitySet (add, delete some relationships).
I thought that it was going to work doing something like:
User.Actions =…
Carlos Castillo
- 533
- 2
- 6
- 12
3
votes
0 answers
Odata4j Not Found Exception
I have created an OData producer with Tomcat by following this tutorial.
However, when I go to the specified url at the tomcat server, I get the following error:
My pom.xml is:
AllieCat
- 3,890
- 10
- 31
- 45
3
votes
3 answers
What is the difference between an entity set and an entity? Is this definition standard?
I'm wondering if my textbook has a non-standard definition. I've red this question and it is not a duplicate. The book defines entities and entity sets as
An entity is an abstract object of some sort, and a collection of
similar entities forms…
Celeritas
- 14,489
- 36
- 113
- 194
2
votes
1 answer
Unable to serialize the session state, which is related to System.Data.Linq. EntitySet
Recently I am playing with the Windows Server 2008,
and would like to make some configuration for my web application.
I have changed the Session State for my application to "State Server" so it can make use of more work process (Now it is set to…
Hei
- 513
- 3
- 13
- 29
2
votes
1 answer
How to correctly implement $expand query in SEGW?
I was trying to implement the $expand query option for an Odata Service in SEGW...
I basically have UsersSet and ProductsSet... and the relation is m:n between users and products (Users can have multiple products, and products can belong to multiple…
MMMM
- 3,320
- 8
- 43
- 80
2
votes
1 answer
