/// <summary>
/// 构造函数，必须传入数据库连接参数
/// </summary>
/// <param name="entity">数据库连接参数</param>
public DataTransferBLL(LiveEntities entity)
: base(entity)
{
oProductBLL = new ProductBLL(entity);
oGeneralBLL = new GeneralBLL(entity);
}
/// <summary>
/// 构造函数
/// </summary>
public ProductController()
{
productBLL = new ProductBLL(dbEntity);
dataTransferBLL = new DataTransferBLL(dbEntity);
}