public async Task <T> Atualizar(T obj, int key)
{
if (obj == null)
{
return(null);
}
T exist = await _context.Set <T>().FindAsync(key);
if (exist != null)
{
_context.Entry(exist).CurrentValues.SetValues(obj);
}
return(exist);
}
} //constructor
public virtual void Add(T obj)
{
_context.Set <T>().Add(obj);
} //Add
