Should I modify Entity Framework generated classes?

Change entity framework database first auto generated domain classes

Can i change entity framework database first auto generated classes (under .tt) to derive from a base class (BaseEntity)?...Some of my domain classes has two property (CreateDateTime & CreateUserId) and i want to set this properties automatically before SaveChanges() with the following code:...private void AuditFields() { foreach (var entry in ...

Entity Framework - Updating entity with added/modified child and grandchild entities

I am not sure if I am doing this the right way or not, so need advice....I have an entity, this entity has a child collection, and each child entity has another child collection. Something like this (simplified example)...public MyEntity() { public long Id { get; set; } public ICollection<MyChild> Children { get; set; } } public MyChild() ...

How to extend an Entity Framework 6.1.3 generated class?

Is it possible to extend an Entity Framework 6.1.3 generated class?...I have an existing database to which I have created an ADO.NET Entity Data Model, which in turn Visual Studio 2015 has generated a set of classes....public partial class WebApplication1Entities : DbContext { public WebApplication1Entities() : base("name=WebApplication...

Entity Framework's auto generated class's code gets re generated every time model is updated

I am using ADO.Net Entity Data Model which connects to a SQL Server database to generate entity classes....I am creating partial classes for the generated classes with this attribute:...[MetadataType(typeof(Employee))] ...to put ...DataAnnotations... on the fields. So I remove all fields from generated class (....g.cs...) and move them to the othe...

Entity Framework 6 Database First Doesn't Generate Entity on Table With Composite Key

Suppose I have the following table definition with a composite primary key:...create table [dbo].[CustomerRequests] ( [CustomerId] int not null, [RequestId] int not null, constraint [PK_CustomerRequests] primary key clustered ([CustomerId] asc, [RequestId] asc), constraint [FK_CustomerRequests_Customers] foreign key ([CustomerId]) r...

In Entity Framework, how to generate entities from different Oracle schemas in VS2017

I am currently attempting to generate code from tables from an existing Oracle 12 database from within Entity Framework 6. The problem I am having is that while it is able to see the schema that I own when I log into the environment, Entity Framework can't seem to see any other schemas that I have access to....How can I change it so that I can see ...

Deleted entities show up as modified in Entity Framework Core's ChangeTracker

I'm trying to understand why Entity Framework Core 2's ChangeTracker sets the state of deleted entities to 'modified' if the deletion is done by removing the entity from a list in another entity....Consider this example:...Class1 List<Class2> MyListOfClass2Objects Class2 ...Both classes have their own ...DbSet... in EF's ...DbContext.... If I re...

Tell Entity Framework to use the name "Children" instead of "InverseParent" when generating entities

We are using Entity Framework Core for a large project with database-first design. We use the "scaffold" command to generate entities from the database. In other words, we are doing something like this in the NuGet package manager:...Scaffold-DbContext "Server=foo;Database=bar;" Microsoft.EntityFrameworkCore.SqlServer -Context Fubar -Force ...In ge...

Entity Framework is it possible to generate string pattern value on adding entity to database?

I have a model...public User { public long Id {get;set;} public string UniqueUserId{get;set;} public string Company {get;set;} public string City {get;set;} } ...here Id is primary key with auto increment, Company and City which are the values entered by user. UniqueUserId is pattern value. its 16 digit value. It contains 1st 4 cha...

Protobuf C# Generated Class usage with Entity Framework Repeated Fields not settable

I am having some issues integrating some Protobuf message generated C# classes with Entity Framework Core. I am able to use the protobuf generated classes in most cases to store information correctly into both sqlite and mysql databases. The issue comes when the protobuf message uses a repeated variable. I am able to store the repeated field into t...