BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  how to using dao          BorlandTalk.com Forum Index -> C++ Builder Databases (ADO) View previous topic :: View next topic   Author Message yag Guest Posted: Mon Feb 21, 2005 9:38 am    Post subject: how to using dao help me.!I did not know where to post How to compact database mdm (access) witch ado or dao from code ... ~-----------------------------------------------------~ ....c++, oo, designs are my passion... Back to top Viatcheslav V. Vassiliev Guest Posted: Mon Feb 21, 2005 2:51 pm    Post subject: Re: how to using dao When compacting Access db it must be disconnected. Compact always into another file. Later you may delete initial file and copy new file into its place. Import "Microsoft Jet and Replication Objects 2.x Library". #include <JRO_TLB.h> .... void __fastcall TForm1::Button1Click(TObject *Sender) { IJetEngine * JetEngine = NULL; CoCreateInstance(CLSID_JetEngine, NULL, CLSCTX_INPROC_SERVER, IID_IJetEngine, (void**) &JetEngine); try { WideString Source = "Provider=Microsoft.Jet.OLEDB.4.0;" "Data Source=C:\Test\Test.mdb;"; WideString Dest = "Provider=Microsoft.Jet.OLEDB.4.0;" "Data Source=C:\Test\Compacted.mdb;"; JetEngine->CompactDatabase(Source.c_bstr(), Dest.c_bstr()); } __finally { JetEngine->Release(); } } Compact will also repair database. //------------------------------------------ Regards, Vassiliev V. V. http://www.managed-vcl.com - using .Net objects in Delphi for Win32 + ADO.Net http://www.oledbdirect.com - The fastest way to access MS SQL Server, MS Jet (Access) and Interbase (through OLEDB) "yag" <yagyog (AT) tiscali (DOT) it> ÓÏÏÂÝÉÌ/ÓÏÏÂÝÉÌÁ × ÎÏ×ÏÓÔÑÈ ÓÌÅÄÕÀÝÅÅ: news:4219ac0f (AT) newsgroups (DOT) borland.com... Quote: help me.!I did not know where to post How to compact database mdm (access) witch ado or dao from code ... ~-----------------------------------------------------~ ...c++, oo, designs are my passion... Back to top yag Guest Posted: Mon Feb 21, 2005 3:18 pm    Post subject: Re: how to using dao "Viatcheslav V. Vassiliev" <support (AT) oledbdirect (DOT) com> ha scritto nel messaggio news:4219f580 (AT) newsgroups (DOT) borland.com... Quote: When compacting Access db it must be disconnected. Compact always into another file. Later you may delete initial file and copy new file into its place. Import "Microsoft Jet and Replication Objects 2.x Library". #include <JRO_TLB.h ... void __fastcall TForm1::Button1Click(TObject *Sender) { IJetEngine * JetEngine = NULL; CoCreateInstance(CLSID_JetEngine, NULL, CLSCTX_INPROC_SERVER, IID_IJetEngine, (void**) &JetEngine); try { WideString Source = "Provider=Microsoft.Jet.OLEDB.4.0;" "Data Source=C:\Test\Test.mdb;"; WideString Dest = "Provider=Microsoft.Jet.OLEDB.4.0;" "Data Source=C:\Test\Compacted.mdb;"; JetEngine->CompactDatabase(Source.c_bstr(), Dest.c_bstr()); } __finally { JetEngine->Release(); } } tnks... but which it is the DLL to import? Back to top Viatcheslav V. Vassiliev Guest Posted: Tue Feb 22, 2005 1:04 pm    Post subject: Re: how to using dao In IDE select "ProjectImport type library" and choose "Microsoft Jet and Replication Objects 2.x Library". //------------------------------------------ Regards, Vassiliev V. V. http://www.managed-vcl.com - using .Net objects in Delphi for Win32 + ADO.Net http://www.oledbdirect.com - The fastest way to access MS SQL Server, MS Jet (Access) and Interbase (through OLEDB) "yag" <yagyog (AT) tiscali (DOT) it> ÓÏÏÂÝÉÌ/ÓÏÏÂÝÉÌÁ × ÎÏ×ÏÓÔÑÈ ÓÌÅÄÕÀÝÅÅ: news:4219f986$1 (AT) newsgroups (DOT) borland.com... Quote: "Viatcheslav V. Vassiliev" <support (AT) oledbdirect (DOT) com> ha scritto nel messaggio news:4219f580 (AT) newsgroups (DOT) borland.com... When compacting Access db it must be disconnected. Compact always into another file. Later you may delete initial file and copy new file into its place. Import "Microsoft Jet and Replication Objects 2.x Library". #include <JRO_TLB.h ... void __fastcall TForm1::Button1Click(TObject *Sender) { IJetEngine * JetEngine = NULL; CoCreateInstance(CLSID_JetEngine, NULL, CLSCTX_INPROC_SERVER, IID_IJetEngine, (void**) &JetEngine); try { WideString Source = "Provider=Microsoft.Jet.OLEDB.4.0;" "Data Source=C:\Test\Test.mdb;"; WideString Dest = "Provider=Microsoft.Jet.OLEDB.4.0;" "Data Source=C:\Test\Compacted.mdb;"; JetEngine->CompactDatabase(Source.c_bstr(), Dest.c_bstr()); } __finally { JetEngine->Release(); } } tnks... but which it is the DLL to import? 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