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Article #8662

���C++builder��ݿ���������������

#8662
From: ����
Date: Tue, 04 Nov 2003 12:16
33 lines
2464 bytes
�ҵ�һ��BCB�������CLIENT/SERVERģʽ
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�ͻ��˸�����SQL serverд���¼�IJ����Ӷ�ֵ����������ִΡ���Ա����
�ͻ�����������ϵ�Ӧ�ó��򱨸���д����ɷ������Կͻ���д��ļ�¼
�IJ����Ӷ�ֵ������ӡ������Ƿ���������Ĵ��롣
  
    Query1->Close();
    Query1->UnPrepare();
    Query1->SQL->Clear();
    Query1->SQL->Add("UPDATE dbo.gdcs");
    Query1->SQL->Add("SET ר�Ҿ��߽��=:RightKey");
    Query1->SQL->Add("WHERE ���=:groupno AND �ִ�=:turn AND ��Ա=:member
");
    Query1->ParamByName("RightKey")->AsInteger=RightKey[CurrentTurn-1];
    Query1->ParamByName("groupno")->AsInteger=groupno;
    Query1->ParamByName("turn")->AsInteger=CurrentTurn;
    Query1->ParamByName("member")->AsString=member;
    Query1->Prepare();  //���������
    Query1->ExecSQL();
����������֮����ʾ�Ĵ�����Ϣ��
Access Violation at Address 0042AB1B in module 'project1.exe'.Read of address

00000004

��������ֹ������һЩ�ͻ���д���¼��ʽ����ݺ��÷��������򣨷�����Current
Turn
��groupno��member��ִ�в���ȴ����ȷ�ġ�
û�г��?

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--
�� ��Դ:����ˮ˼Դ bbs.sjtu.edu.cn��[FROM: 210.32.0.10]
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From: okgood.bbs@bbs.sjtu.edu.cn (����)
Newsgroups: cn.bbs.comp.database
Subject: ���C++builder��ݿ���������������
Date: 04 Nov 2003 12:16:09 GMT
Organization: ��ˮ˼Դ
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