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Here's a subfile question. I'm not very good with them. I have a display screen showing a subfile with 4 fields. Each field is the key to a logical file so there are 4 logical files in the F-specs. For clarity, lets call the fields LastName, FirstName, ExtNbr, DeptName. I want the user to be able to display any one of the 4 logical files. I know the file will never grow beyond 999 because the ExtNbr field is 3/0, and because there's only about 150 extensions now, anyway. Every time the user selects another logical to display I clear the subfile and reload the entire file to the subfile. With a dozen test records I'm getting sub-second reloads. Now, as the number of records increases it seems to me that reload times will increase. Still, I know that 5000 records load in 11 or 12 seconds so the time for about 200 records will probably be a second or two.
However, it occurs to me that having loaded the subfile, I shouldn't need to read the data file again. I am thinking there must be an easy way to save the subfile in case it is needed again, instead of just clearing it, or am I tilting at windmills?
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