miha miha -4 years ago 219
C# Question

Auto-generate DBML from entities?

Is there a way to generate the DBML file from entity classes instead from database tables? This would be very useful for prototyping, where one just creates a logical model and lets the auto-generated tool create the DBML file. With DBML file, one can use SqlMetal to generate Linq to SQL classes and be done with it. So, to prototype rapidly, one would:

1.Define models

public class Person
{
public string Name { get; set; }
public int Age { get; set; }
// etc
}


2.Run the tool (with chosen entities)

3.Get the auto-generated DBML file

4.Run the SqlMetal tool or Damiens t4 scripts to create Linq to SQL classes

5.Code against auto-generated data-context and auto-generated database (using DataContext.CreateDatabase() to create the intial DB, for instance). Some sort of DB migration would be even nicer.

Or am I weird for wanting to generate DB from objects instead of objects from DB? :)

Answer Source

Doesn't exist. Currently the only method of generate a DBML for Linq to SQL is from a sql database source.

This might someday exist for the Entity Framework but current not there either.

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