subject_63048.htm

vc

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回复者：浪际天涯 回复日期：2003-12-02 13:50:27
<br>内容：把try段加上，抓一下错误，还有就是你的数据库名为Demo.mdb吗？路径是当前路径吗？
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回复者：oldpeasant 回复日期：2003-12-02 20:58:09
<br>内容：int CMyDoc::OpenDatabase()<BR>{<BR>&nbsp;&nbsp;&nbsp;&nbsp;CString ss;<BR>&nbsp;&nbsp;&nbsp;&nbsp;int n;<BR>&nbsp;&nbsp;&nbsp;&nbsp;ss=GetCommandLine();<BR>&nbsp;&nbsp;&nbsp;&nbsp;n=ss.ReverseFind('\\');<BR>&nbsp;&nbsp;&nbsp;&nbsp;ss=ss.Mid(1,n);<BR>&nbsp;&nbsp;&nbsp;&nbsp;ss+=&#34;basedata.mdb&#34;;<BR>&nbsp;&nbsp;&nbsp;&nbsp;MydBase.Open(ss,true,false,&#34;;PWD=*****&#34;);<BR>&nbsp;&nbsp;&nbsp;&nbsp;if(MydBase.IsOpen())Opened=1;<BR>&nbsp;&nbsp;&nbsp;&nbsp;return 0;<BR>}<BR>这是我用密码打开access 库的函数，可以用的，你试试
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回复者：风儿 回复日期：2003-12-04 10:25:25
<br>内容：浪际天涯 :<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 错误信息:IDispatch error #3149<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 路径和数据名是不会错的,我去掉Access的&#34;密码保护&#34;是可以正常连接数据库的.<BR><BR><BR>oldpeasant :<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 你这是用ADO连接数据库?怎么我看不象?<BR><BR>
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回复者：oldpeasant 回复日期：2003-12-05 00:54:45
<br>内容：我用的是DAO
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回复者：浪际天涯 回复日期：2003-12-06 03:00:21
<br>内容：程序帖出来,或把连接数据库的代码帖出来
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回复者：风儿 回复日期：2003-12-10 16:20:23
<br>内容：浪际天涯 请看我的源代码如下:&nbsp;&nbsp;&nbsp;&nbsp;<BR>CString&nbsp;&nbsp;&nbsp;&nbsp;strOper=&#34;Provider=Microsoft.Jet.OLEDB.4.0;Data Source='&#34; + istrDataBasePath + &#34;';User ID=admin;Password=123;&#34;;<BR>&nbsp;&nbsp;&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;BSTR connRstr=strOper.AllocSysString();<BR>&nbsp;&nbsp;&nbsp;&nbsp;HRESULT hr;<BR>&nbsp;&nbsp;&nbsp;&nbsp;//int msg;<BR>&nbsp;&nbsp;&nbsp;&nbsp;try<BR>&nbsp;&nbsp;&nbsp;&nbsp;{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;hr =theApp.mB_pConnection.CreateInstance(&#34;ADODB.Connection&#34;);///创建Connection对象<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if(SUCCEEDED(hr))<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;hr = theApp.mB_pConnection-&gt;Open(connRstr,&#34;&#34;,&#34;&#34;,adOpenUnspecified);///连接数据库<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;///上面一句中连接字串中的Provider是针对ACCESS2000环境的，对于ACCESS97,需要改为:Provider=Microsoft.Jet.OLEDB.3.51;&nbsp;&nbsp;}<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<BR>&nbsp;&nbsp;&nbsp;&nbsp;}<BR>&nbsp;&nbsp;&nbsp;&nbsp;catch(_com_error e)///捕捉异常<BR>&nbsp;&nbsp;&nbsp;&nbsp;{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;CString errormessage;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;errormessage.Format(&#34;错误信息:%s&#34;,e.ErrorMessage());<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AfxMessageBox(errormessage);<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return false;<BR>&nbsp;&nbsp;&nbsp;&nbsp;} <BR>&nbsp;&nbsp;&nbsp;&nbsp;//mB_ConnSucceed=true;<BR>&nbsp;&nbsp;&nbsp;&nbsp;return true;
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<font color=red>答案被接受</font><br>回复者：徐相华 回复日期：2003-12-15 14:47:14
<br>内容：strdataz=&#34;Provider=Microsoft.Jet.OLEDB.4.0;Data Source=&#34;+strpath+&#34;bf.mdb;Persist Security Info=False;Jet OLEDB:Database Password = &#34;+(CString)strPassWord;<BR><BR><BR>m_pConnectiontest-&gt;Open(_bstr_t(strdataz),&#34;&#34;,&#34;&#34;,adModeUnknown);
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回复者：风儿 回复日期：2003-12-25 11:34:19
<br>内容：谢谢各位的帮助!<BR>徐相华的方法我试过了,是对的.我已给分给你了.<BR>
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