>I saw a trick where you can sort a column by clicking on the header. I'd like to use this, but it's too time consuming to add the code to every header. So I thought I'd make a header class. But VFP doesn't like it when I try to do that. Is there a way to subclass the header class?
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>Another issue is putting indexes on every field in every table so it can sort. Is this a good idea? I'm wondering if that would slow things down significantly.
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>Thanks,
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>-Michelle

Header class can be created programmatically using DEFINE CLASS ....
Indexing every field in table may slow down things, but on what point depends on specific situation. Basically, users should be entitled to sort on fields which are really important from business standpoint. Also, it's arguable to put all tables and all records of them in grids.