Index corruption is very common error in visual foxpro application. Through this error message, you cannot open your database as well as database table.
How to handle this error??
Here are some steps to handle this error: It depends on the version of visual foxpro.
1. In Visual Foxpro versions 2.0, 2.5, or 2.6 , you can easily handle this error by erasing the IDX/CDX files and re-create them.
2. But in later versions of visual foxpro, you cannot erase the CDX file because the table is bound to a database and it has Primary index. If you try to erase the CDX file, it generates following error message:
"Invalid database - please validate database"
When this error message occurs it means your database get severely corrupted.
3. In later versions either you can use third party dbf recovery tools or use following steps to restore corrupt index file:
- Create a new table and indexes, and bind it to a Database.
- Before insert any data into the table, take backup of the .cdx file.
- If the table already has some data in it, copy the table with different name to a different environment and delete it & now take backup its .cdx file.
- When the index file get corrupted, Overwrite corrupted .cdx file with backup copy of the .cdx file
- Open the Table and run 'Reindex' command.
If these steps won't work then use third party dbf recovery tools to recover corrupt index as well as corrupt dbf files. These software are very easy to use & recover corrupt visual foxpro in few easy steps.