/// <summary>
 /// 构造函数
 /// </summary>
 /// <param name="connection">数据连接</param>
 public BCheckBillBC(SqlConnection connection)
 {
     this.connection = connection;
     this.checkBillBB = new BCheckBillBB(this.connection);
     this.errorDiaryBB = new SErrorDiaryBB(this.connection);
     this.operatDiaryBB = new SOperatDiaryBB(this.connection);
 }
 /// <summary>
 /// 构造函数
 /// </summary>
 public BCheckBillBC()
 {
     this.selfConn = true;
     this.connection = new SqlConnection(HS.Config.SqlDataObject.GetSqlConnectionString);
     this.connection.Open();
     this.checkBillBB = new BCheckBillBB(this.connection);
     this.errorDiaryBB = new SErrorDiaryBB(this.connection);
     this.operatDiaryBB = new SOperatDiaryBB(this.connection);
 }