>>>I add two tables with master-detail relation in DataEnvironment of a form. The two tables and their DBC are in a subdirectory. I build the application, run it. It works fine. But if I move the application along with its subdirectories to another location, I get "Error instantiating cursor object, cannot find (current path)\(dbc file)" when I run it.
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>>>What is the cause of the problem? How can I fix the problem using the DataEnvironment? Thanks.
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>>Perhaps it helps to make sure you have a SET PATH that finds the files, e.g.:
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>>set path to data, help
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>>Note that I used relative paths in the above example.
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>I had SET PATH at the start of the appliaction. It doesn't make a difference.

Check the CursorSource property of Cursor objects in the DE of the form. This property is Read/Write at run time but Read-only at design. Usually the value of this property is the 'hard-coded' path to the table.