The Entity Framework Core Fluent API HasDefaultValue method is used to specify the default value for a database column mapped to a property. The value must be a constant.
language-csharp
|
public class Contact
{
public int ContactId { get; set; }
public string FirstName { get; set; }
public string LastName { get; set; }
public string Email { get; set; }
public bool IsActive { get; set; }
public DateTime DateCreated { get; set; }
}
public clas SampleContext : DbContext
{
public DbSet<Contact> Contacts { get; set; }
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
modelBuilder.Entity<Context>()
.Propery(p => p.IsActive)
.HasDefaultValue(true);
}
}
Data Annotations
It is not possible to configure default database column values using data annotations.
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