public virtual void Update(TEntity entityToUpdate)
{
if (entityToUpdate == null)
{
throw new ArgumentException("Cannot add a null entity.");
}
var entry = Context.Entry <TEntity>(entityToUpdate);
if (entry.State == EntityState.Detached)
{
var set = Context.Set <TEntity>();
TEntity attachedEntity = set.Local.SingleOrDefault(e => e.Id == entityToUpdate.Id); // You need to have access to key
if (attachedEntity != null)
{
var attachedEntry = Context.Entry(attachedEntity);
attachedEntry.CurrentValues.SetValues(entityToUpdate);
}
else
{
entry.State = EntityState.Modified; // This should attach entity
}
}
}
public GenericRepository(GameStoreContext context)
{
this.context = context;
this.dbSet = context.Set <TEntity>();
}
public GenericRepository(GameStoreContext context)
{
Context = context;
DbSet = context.Set <TEntity>();
}