I added EntityFramework.Migrations (Beta 1) to an existing Code-First app that is going through some changes (for both migration capabilities and more fine-tuning of the tab
This is the most simple way.
First Add DatabaseGeneratedOption.Computed DataAnnotion to your property
DatabaseGeneratedOption.Computed
DataAnnotion
and now you can modify de SqlServerMigrationSqlGenarator, override Genarate method and set the DefaultValueSql = "GETDATE()" or "GETUTCDATE()";
SqlServerMigrationSqlGenarator
DefaultValueSql = "GETDATE()" or "GETUTCDATE()";