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Any advantage to using a DLL as middleware in a C/S app?
Message
De
10/06/1998 04:09:13
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Client/serveur
Divers
Thread ID:
00105729
Message ID:
00106607
Vues:
25
>>What is ADO to me? Take a shotgun and blow a hole in VFP's head and you have >ADO. Actually, ADO is a great idea if you spend your days accessing data in >spreadsheets and text files etc. I prefer to use a database. I use VFP with >SQL Server. ADO does that too. It uses ODBC. VFP also uses ODBC. So now if we >could just get VFP to use ADO (so it could do the ODBC instead of VFP doing it >directly) we would get to: > >ADO uses an OLE-DB provider for ODBC. This was necessary for the huge installed base of ODBC. Except for one thing, ADO does not have the over-head of the ODBC connection manager. Yes, ADO makes use of the ODBC Driver for a particular DB - if you use the ODBC OLE-DB provider. There are specfic OLE-DB provider for Jet (JOLT), SQL-Server, etc. These providers are not ODBC. (I've been skipping the VFP bashing & VB is better threads but this thread has not been that way ... until now.) Personally, I found it great, after years of having to setup DSN connections on every damn machine, to use DSNless connections through ADO. No more ODBC & DSNs. Just link straight to the database. YEAH!!! Long live ADO. .Signature { margin-top: 12px; color: #666666; } .Signature a { color: #666666; }
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