Entity Framework: Multiple pages for OnModelCreating

Question

My project is becoming quite large and my fluent api extensive.

Is there a way I can separate my fluent api concerns to multiple files and reference them in my OnModelCreating?

Nevermind, I found the answer: stackoverflow.com/questions/8319762/… — aaa
– aaa, Commented Jun 2, 2012 at 13:58
Possible duplicate of Does Entity Framework Code First allow for fluent mappings in separate files? — xdtTransform
– xdtTransform, Commented Jan 7, 2019 at 10:01

aaa · Accepted Answer · 2012-06-02 14:44:11Z

1

The link to the solution was not very specific, so here it is spelled out:

[Context file]
protected override void OnModelCreating(DbModelBuilder modelBuilder)
{
modelBuilder.Configurations.Add(new Configurations.DataContext.EmployeeConfiguration(modelBuilder));
....
}

[Configuration file]
public class EmployeeConfiguration : EntityTypeConfiguration<Employee>
{
public EmployeeConfiguration(DbModelBuilder modelBuilder)
{ ...  }
....
}

The point to be mindful of is: When creating the constructor in the configuration, include the modelBuilder parameter.
When adding the configuration in OnModelcreating, be sure to pass along the modelBuilder parameter.

answered Jun 2, 2012 at 14:44

aaa

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