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Visual Foxpro Driver Cannot Resolve Backlink
What is error "Cannot Resolve Backlink" 2. A typical OLE DB connection string >> is >> "Provider=VFPOLEDB.1;Data Source=MyPath\MyDBC.dbc;" or for free tables: >> "Provider=VFPOLEDB.1;Data Source=MyPath;" >> >> The ODBC driver and OLE DB data provider are downloadable from If the DB is on a network drive make sure all users have access to that - write access and that the paths didn't contain spaces or non-ascii letters what may The third one almost certainly will matter. Source
It's not. Use a valid expression for "name" property (Error 1759) Expression is not valid outside of WITH/ENDWITH (Error 1940) Expression is too complex (Error 1947) Expression used with ACOS( ) is out September 2008. If you subsequently copy the table to a new location or copy the dbc files to a new location, VFP will become unable to resolve this link.
Please validate database "name" and try again (Error 2004) The table has memo fields that cannot be converted while open read-only (Error 1659) The table must be converted before appending (Error In answer to your question, yes I have SP1 and I have created the ODBC connection as suggested in the KB article. Please validate (Error 1561) Database is read-only (Error 1570) Database object is being used by someone else. (Error 1709) Database object type is invalid (Error 1773) DataType property for field "name" Close Reply To This Thread Posting in the Tek-Tips forums is a member-only feature.
- Cannot open file "file". (Error 101) Cannot open persistent table buffer directly (Error 2013) Cannot redefine "name" (Error 1930) Cannot redefine a menu that is in use (Error 174) Cannot redefine
- If you >> use >> ODBC, the connection string should point to the DBC itself (if there is >> no >> DBC present you would use the "free" table option and
- Re-create the index (Error 1141) Update conflict (Error 1585) Update conflict.
- The files that > > contain the data I need are .dbf.
- Check the DSN to ensure it is pointing to a DBC and in the correct location. 0 LVL 39 Overall: Level 39 MS Development-Other 9 MS Applications 1 MS Access
Are you aComputer / IT professional?Join Tek-Tips Forums! The connection to FoxPro doesn't seem to be the problem, since I can connect to our development files just fine and connect ot our production files with ACCESS 2003 just fine. The fix If you suspect that your database has broken backlinks, fixing them is relatively easy, provided the database is reasonably small - say, fewer than a dozen table. Try opening up the tables in Visual Foxpro 6.0 and perform a VALIDATE DATABASE RECOVER.
All rights reserved. We've used these techniques successfully, but we can't guarantee they'll always work in all cases. Source code out of date. I have no idea what version of FoxPro > > this > > might be- but have had no luck trying to import the dbf files.... > > > Guest,
Cindy Winegarden, Apr 26, 2007 #2 Advertisements Guest Guest I have the ODBC driver on my computer. In addition to the DBC you should have DBFs which are the actual > FoxPro tables; CDX is the optional indexand FPT is the optional memo, > although you need to It is in fact the table's Name property - the field at the top of the third tab in the table designer (Figure 6). (By the way, we mentioned earlier that See this KB from MS: http://support.microsoft.com/kb/824264 Kevin 0 Message Author Comment by:sgilliland2009-02-06 Comment Utility Permalink(# a23574879) Redrumkey - Thank-you for replying so quickly.
MS Access MS Access – Using DLookup Video by: Jim In Microsoft Access, learn how to use Dlookup and other domain aggregate functions and one method of specifying a string value However, with > VFP7 and above, even more data features were added making the tables only > accessible via OLE DB and ADO. To complete the picture, each DBF file holds a pointer back to the parent DBC. If the new path was shorter than the old, the meta-data would definitely become corrupted.
A typical OLE DB connection string is "Provider=VFPOLEDB.1;Data Source=MyPath\MyDBC.dbc;" or for free tables: "Provider=VFPOLEDB.1;Data Source=MyPath;" The ODBC driver and OLE DB data provider are downloadable from the links below my signature. this contact form Already a member? pctest (Programmer) (OP) 2 Jun 04 14:31 How can I find out what causes the error "cannot resolve backlink"?I want to know how to duplicate this error.Thank you for any help. When you convert a DBC-bound table to a free table, three things happen: The primary key is changed to a candidate key.
Let's suppose someone has moved all the customer tables to the same folder as the product tables, and for some reason you can't move them back again. Simply removing the offending table from the database and then adding it back does not always solve the problem. The left-hand half of the diagram shows a database containing two groups of tables, for customers and products respectively, with each group stored in its own sub-directory. http://dirsubmit.net/visual-foxpro/visual-foxpro-cannot.html All the resources and technology we put into our service have paid off, with millions leaving other services — and coming to us instead." Sounds good, now how do we try
The OLE DB data provider works with all versions of > FoxPro tables and is totally backward compatible. > > With OLE DB your SQL statement should refer to the table Here's Why Members Love Tek-Tips Forums: Talk To Other Members Notification Of Responses To Questions Favorite Forums One Click Access Keyword Search Of All Posts, And More... It knows nothing about backlinks and so cannot be used on its own to rename tables in a database.
Some of the users are complaining that they have found an error "Cannot Resolve Backlink", when they run the program.
Next, use RENAME TABLE to change the ObjectName field (or change it programmatically by opening the DBC as a table and issuing a REPLACE command). See AlsoReferenceVALIDATE DATABASE CommandFREE TABLE Command Send comments about this topic to Microsoft. В© Microsoft Corporation. RE: What will cause the error "cannot resolve backlink"? What about the Delete button?
The property is ignored (Error 1584) Error reading file "file" (Error 1104) Error reading the resource (Error 1296) Error saving the OLE object (Error 1422) Error with "name" - "property": "error" We need to change the backlinks in those tables from ..\MyDatabase.DBC to ..\..\MyDatabase.DBC. Since you're only interested in the tables, you can ignore any rows whose ObjectType is something other than "Table". Check This Out You must be careful not to accidentally alter it.
References: Fixing "Cannot resolve backlink" From: kevclark64 Prev by Date: How to create a duplicate (not sub) class. This documentation is archived and is not being maintained. Previous by thread: Fixing "Cannot resolve backlink" Next by thread: How to create a duplicate (not sub) class. Broken backlinks can also crop up as a result of renaming or deleting a table.
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The DBC table is a "database >> container" >> where things like stored procedures and view definitions are stored. To convert it, type MODIFY LABEL file (Error 1510) Invalid key column name "name". (Error 2146) Invalid key length (Error 112) Invalid locale ID. (Error 2026) Invalid operation for offline view OLE object may be corrupt. (Error 1440) OLE IDispatch exception code "name" (Error 1427) OLE IDispatch exception code "number" from "name": "name" (Error 1428) OLE object is invalid or corrupted (Error