subject_58114.htm

vc

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序号：58114 发表者：yqw 发表日期：2003-10-30 09:48:25
<br>主题：急！我编译vc时出现“'CDaoRecordset' : base class undefined”的错误，是怎么回事？
<br>内容：--------------------Configuration: exchange - Win32 Debug--------------------<BR>Compiling...<BR>CompleteSet.cpp<BR>c:\exchange\completeset.h(14) : error C2504: 'CDaoRecordset' : base class undefined<BR>c:\exchange\completeset.h(16) : error C2629: unexpected 'class CCompleteSet ('<BR>c:\exchange\completeset.h(16) : error C2238: unexpected token(s) preceding ';'<BR>c:\exchange\completeset.h(35) : error C2061: syntax error : identifier 'CDaoFieldExchange'<BR>C:\exchange\CompleteSet.cpp(17) : error C2653: 'CDaoRecordset' : is not a class or namespace name<BR>C:\exchange\CompleteSet.cpp(17) : error C2065: 'classCDaoRecordset' : undeclared identifier<BR>C:\exchange\CompleteSet.cpp(19) : error C2065: 'CDaoDatabase' : undeclared identifier<BR>C:\exchange\CompleteSet.cpp(19) : error C2065: 'pdb' : undeclared identifier<BR>C:\exchange\CompleteSet.cpp(20) : error C2448: '&lt;Unknown&gt;' : function-style initializer appears to be a function definition<BR>C:\exchange\CompleteSet.cpp(20) : error C2143: syntax error : missing ';' before ':'<BR>C:\exchange\CompleteSet.cpp(21) : error C2448: '&lt;Unknown&gt;' : function-style initializer appears to be a function definition<BR>C:\exchange\CompleteSet.cpp(45) : error C2065: 'CDaoFieldExchange' : undeclared identifier<BR>C:\exchange\CompleteSet.cpp(45) : error C2065: 'pFX' : undeclared identifier<BR>C:\exchange\CompleteSet.cpp(46) : error C2448: '&lt;Unknown&gt;' : function-style initializer appears to be a function definition<BR>C:\exchange\CompleteSet.cpp(64) : error C2653: 'CDaoRecordset' : is not a class or namespace name<BR>C:\exchange\CompleteSet.cpp(69) : error C2653: 'CDaoRecordset' : is not a class or namespace name<BR>exchange.cpp<BR>c:\exchange\completeset.h(14) : error C2504: 'CDaoRecordset' : base class undefined<BR>c:\exchange\completeset.h(16) : error C2629: unexpected 'class CCompleteSet ('<BR>c:\exchange\completeset.h(16) : error C2238: unexpected token(s) preceding ';'<BR>c:\exchange\completeset.h(35) : error C2061: syntax error : identifier 'CDaoFieldExchange'<BR>exchangeDlg.cpp<BR>c:\exchange\completeset.h(14) : error C2504: 'CDaoRecordset' : base class undefined<BR>c:\exchange\completeset.h(16) : error C2629: unexpected 'class CCompleteSet ('<BR>c:\exchange\completeset.h(16) : error C2238: unexpected token(s) preceding ';'<BR>c:\exchange\completeset.h(35) : error C2061: syntax error : identifier 'CDaoFieldExchange'<BR>C:\exchange\exchangeDlg.cpp(573) : error C2039: 'IsOpen' : is not a member of 'CCompleteSet'<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c:\exchange\completeset.h(13) : see declaration of 'CCompleteSet'<BR>C:\exchange\exchangeDlg.cpp(574) : error C2039: 'Open' : is not a member of 'CCompleteSet'<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c:\exchange\completeset.h(13) : see declaration of 'CCompleteSet'<BR>C:\exchange\exchangeDlg.cpp(575) : error C2039: 'IsEOF' : is not a member of 'CCompleteSet'<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c:\exchange\completeset.h(13) : see declaration of 'CCompleteSet'<BR>C:\exchange\exchangeDlg.cpp(577) : error C2039: 'm_lID' : is not a member of 'CCompleteSet'<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c:\exchange\completeset.h(13) : see declaration of 'CCompleteSet'<BR>C:\exchange\exchangeDlg.cpp(577) : fatal error C1903: unable to recover from previous error(s); stopping compilation<BR>Generating Code...<BR>Error executing cl.exe.<BR>请指教，谢谢！
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<font color=red>答案被接受</font><br>回复者：wjb 回复日期：2003-10-30 10:33:13
<br>内容：需要包含DAO头文件<BR><BR>#include &lt;afxdao.h&gt;
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