/// <summary>
/// ɾ����������ij��ͼ��
/// </summary>
/// <param name="cartId">��Ҫɾ������������Ŀ���</param>
public void RemoveBook(int cartId)
{
Database db=new Database();
string strSql="Delete From [Cart] Where cartId = "+cartId.ToString();
db.ExecuteSQL(strSql);
}
/// <summary>
/// ɾ��ͼ��
/// </summary>
public void Delete()
{
Database db=new Database();
string strSql="Delete From [Book] Where BookID = "+this._bookId;
db.ExecuteSQL(strSql);
}
/// <summary>
/// ɾ������������
/// </summary>
public void Delete()
{
Database db=new Database();
string strSql="Delete From [Cart] Where CartID = "+this._cartId;
db.ExecuteSQL(strSql);
}