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Entity Framework 6: audit/track changes
I have my core project in C#. I work on a database, where some tables have the columns user_mod and date_mod for sign w ... View Detail
 Upvotes: 0   Answers: 0
C# Entity-Framework: How can I combine a .Find and .Include on a Model Object?
I'm doing the mvcmusicstore practice tutorial. I noticed something when creating the scaffold for the album manager (add ... View Detail
 Upvotes: 0   Answers: 0
Exception of type 'System.OutOfMemoryException' was thrown
Basically I use Entity Framework to query a huge database. I want to return a string list then log it to a text file. L ... View Detail
 Upvotes: 0   Answers: 0
select top 5 in entity framework
I have [Person] PersonID, EmailAddress, FirstName, LastName  [OnlineAccount] OnlineAccountID, PersonID, Nickname  Each ... View Detail
 Upvotes: 0   Answers: 0
Only primitive types or enumeration types are supported in this context
I've seen lots of questions on this topic, but I haven't been able to sort through any of them that actually solve the i ... View Detail
 Upvotes: 0   Answers: 0
How to add/update child entities when updating a parent entity in EF
The two entities are one-to-many relationship (built by code first fluent api). public class Parent {  public Parent()  ... View Detail
 Upvotes: 0   Answers: 0
Default value for Required fields in Entity Framework migrations?
I've added the [Required] data annotation to one of my models in an ASP.NET MVC application. After creating a migration, ... View Detail
 Upvotes: 0   Answers: 0
How to handle System.Data.Entity.Validation.DbEntityValidationException?
My app gets the following error: An exception of type 'System.Data.Entity.Validation.DbEntityValidationException' ... View Detail
 Upvotes: 0   Answers: 0
LINQ Lambda, Group by with list
I'm having some trouble with finding the right syntax to accomplish the following: Is it possible with LINQ (Lambda Exp ... View Detail
 Upvotes: 0   Answers: 0
composite key as foreign key
I am using Entity framework 4.1 in MVC 3 application. I have an entity where I have primary key consists of two columns ... View Detail
 Upvotes: 0   Answers: 0
MVC - Insert post data into database
I'm working with MVC and have created a form to insert values into my database. My database structure has the relation ... View Detail
 Upvotes: 0   Answers: 0
Attaching an entity of type 'X' failed because another entity of the same type
I've stumbled upon a strange bug in my code. Which was working before, but now works sometimes. I am using EF6 to Edit ... View Detail
 Upvotes: 0   Answers: 0
Calling user defined functions in Entity Framework 4
I have a user defined function in a SQL Server 2005 database which returns a bit. I would like to call this function via ... View Detail
 Upvotes: 0   Answers: 0
Linq - How to select items from a list that contains only items of another list?
I have this two classes: public class Item { public int Id{get;set;} public List<Test> TestList{get;set;}  } public cla ... View Detail
 Upvotes: 0   Answers: 0
The type initializer for 'System.Data.Entity.Internal.AppConfig' threw an exception on a Sub Website
I have 2 websites, one is a sub directory of another but is an Application ex: /root & /root/Services They both use Ent ... View Detail
 Upvotes: 0   Answers: 0
Entity Framework - Add Navigation Property Manually
I generated an Entity Framework Model (4.0) from my database. I did not design the database and do not have any control ... View Detail
 Upvotes: 0   Answers: 0
Howto specify table name with Entity Framework Code First Fluent API
I have an Entity and I am to configure Entity Framework to map it to a database table with different name. I can easily ... View Detail
 Upvotes: 0   Answers: 0
Problems using Entity Framework 6 and SQLite
I'm trying to use Entity Framework with SQLite. I had issues integrating it into my main application, so I started a lit ... View Detail
 Upvotes: 0   Answers: 0
References for DBContext, DBSet<> in Entity Framework
I am trying to use ADO.Net Codefirst feature of latest Entity Framework 4.0. As part of that I have installed Entity Fra ... View Detail
 Upvotes: 0   Answers: 0
Proper way to delete record in LINQ to Entities
I just have a very simple situation where all I need is to delete record using Linq2Entities. I tried to do some researc ... View Detail
 Upvotes: 0   Answers: 0
Validation Error on SaveChanges()
I have the following Action method inside my Asp.net mvc web application:- [HttpPost] [ValidateAntiForgeryToken] public ... View Detail
 Upvotes: 0   Answers: 0
The remote server returned an unexpected response: (413) Request Entity Too Large.
I'm trying to build a WCF Application service, using FW4.0. My service work correctly when transferring EntiryFramework ... View Detail
 Upvotes: 0   Answers: 0
EntityFramework Get object by ID?
Is it possible with Generics to get an object from my EntityFramework without knowing the type? I'm thinking of somethi ... View Detail
 Upvotes: 0   Answers: 0
Handling 'Sequence has no elements' Exception
I am updating a quantity in my cart, but it is throwing a Sequence has no elements' exception. And I don't know what th ... View Detail
 Upvotes: 0   Answers: 0
Entity Framework error - Error 11009: Property ' ' is not mapped
To improve an older project I am forced by the circumstances to use VS 2008 and Framework 3.5 - I have issues with the e ... View Detail
 Upvotes: 0   Answers: 0

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