A provider for NHibernate library for .NET Framework which allows to use LINQ queries. Available since version 3.0.
Questions tagged [linq-to-nhibernate]
629 questions
0
votes
2 answers
null reference exception in Count of linq to nhibernate query
I have a linq query by NHibernate.
var q = SessionInstance.Query()
.Count(x => MyPerson != null && x.Person.Id == MyPerson.Id);
But Check condition in Count Is not Valid. Because if value of MyPerson be null ,expected result of…

Ehsan
- 3,431
- 8
- 50
- 70
0
votes
1 answer
NHibernate QueryOver to get records which are not older than N days
I have problem while retrieving the records which are not older than 30 days. As today's date is 24 Jun, I would like to select records not beyond than 23rd May.
That is I need all records for the days in between 23rd May and Today.
For that The…

navule
- 3,212
- 2
- 36
- 54
0
votes
1 answer
OutOfMemory Exception while fetching large sized data using QueryOver<> in Linq to Nhibernate
I have a asp.net web application that is using Linq to NHibernate in NHibernate 3.0.
In a function, I need to get around 20000 records from a table which contains 10 million records with 20 columns.
I am using Session.QueryOver<>() method for…

Rupendra
- 608
- 2
- 11
- 42
0
votes
1 answer
How can I convert that QueryOver<> code to use Query<> with NHibernate 3.3
I have a Class A that have a class B List ...
So, with QueryOver I have :
ClassB lb = null;
var result = session.QueryOver
.JoinAlias(x => x.ListB, () => lb, JoinType.LeftOuterJoin)
.Where(() => lb.Property == 1)
…

Paul
- 12,359
- 20
- 64
- 101
0
votes
2 answers
nHibernate - Fetch with private collection
Is there a way to use Fetch with collection that is private?
This is what i have for code:
public class Owner
{
private ICollection _cats = new List();
public virtual int Id { get; set; }
public virtual IEnumerable Cats…

mekansm
- 73
- 5
0
votes
4 answers
NotSupportedException when I'm using a method in the where clause
I'm using nHibernate 3.2.0.4000. I wrote this query using nHibernate.Linq
var entities = (from t in this.Session.Query()
where NotIn(t, role.Tasks)
select t).ToList();
Here's the definition of the method…

JiBéDoublevé
- 4,124
- 4
- 36
- 57
0
votes
2 answers
Accessing joined object in linq join
I'm trying to do a fairly simple linq join like so:
var locations = (from location in session.Query()
join speed in session.Query() on location.ISDNSpeed equals speed.Id
where
…

Positonic
- 9,151
- 14
- 57
- 84
-1
votes
1 answer
Can I use NHibernate.Cfg.Configuration in Fluent-NHibernate when building a session factory?
I want to use the NHibernate configuration for FluentNhibernate when building a session.
This how I am constructing my factory session:
lock (_factorylock)
{
if (_factory == null)
{
…
anon
-1
votes
1 answer
How to join two tables queries and select matching the records in Nhibernet linq?
I am trying to develop one single query which gives me records from both the table in one result using linq-Nhibernet query.
I have two tables first one :account (accountId , accountDescription) and second one: accountdescriptionhistory (accountId,…

Coder007
- 37
- 6
-1
votes
1 answer
Is there a best way to delete very data in database like 160k of data with Nhibernate
I have like 120k of data in a table using mssql and i have to delete all to save again, but it´s turn very slow.
I´ve an Entity called InventarioEstoque and have two childrens InventariosEstoquesSaldos and InventariosEstoquesSaldosTerceiros, i…

Fernando josé
- 249
- 4
- 10
-1
votes
2 answers
nhibernate force separate queries instead of join
I'm new to nhibernate and I couldn't figure this one out.
I have an entity similiar to below class;
public class MotherCollection
{
public virtual int Id { get; set; }
public virtual string Name { get; set; }
public virtual ISet…

Rudithus
- 183
- 13
-1
votes
2 answers
Converting SQL Server query containing GROUP BY into NHibernate LINQ
I'm basically trying to retrieve a paged list of unique GUIDs, sorted by (row) creation date.
I've been able to draft a SQL Server query that seems to work for me based on this answer, but now I have to translate that into LINQ.
SELECT TOP 15…

Alexandru Marculescu
- 5,569
- 6
- 34
- 50
-1
votes
1 answer
Nhibernate can not save new item to postgresql database
I have a problem with class which should: issue couple invoices, shows/update progress bar and save to nhibernate classes some values.
Below code shows function which calls WyemitujFakture and display progress bar windows.
private void…

JacekRobak85
- 93
- 1
- 10
-1
votes
2 answers
Read-only access to SQL Server 2008
I need to give business analysts a web tool to query row data in a SQL Server production DB (I know it's not a good idea, but big boss said so ...). How do I make sure they can only run SQL SELECTs or LINQ Selects, but not modify anything? My plan…

Lincoln
- 749
- 1
- 7
- 13