>>I am using a SQL - Select into a cursor which is used as the datasource for my grid. I use the following line after the select and it updates fine the first time through.
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>>THISFORM.ComboBox1.RowSource = THISFORM.ComboBox1.RowSource
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>>However, when the select is executed the second, or third, or.... time the headings and colum widths are reset to match the cursor. How do I maintain my original settings?
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>Well, I don't know if there is a better way, but I manually set the WIDTH and HEADER for each column in the grid. It works for now!

Have you tried setting the RecordSource to an empty string ("") before you reset the cursor.

thisform.oGrid.RecordSource = ""
*re query you cursor
thisform.oGrid.RecordSource = "cursoralias"