public void Update(TEntity entity)
{
if (entity == null)
{
throw new ArgumentNullException(nameof(entity));
}
_entities.Attach(entity);
_context.Entry(entity).State = (EntityState)System.Data.Entity.EntityState.Modified;
}
/// <summary>
/// Attaches the specified entity.
/// </summary>
/// <param name="entity">The entity.</param>
public void Attach(T entity)
{
_dbSet.Attach(entity);
}