>>I have a form that shares a private data session with another form. On my form is a grid that is marked ReadOnly=.f. and the RecordSourceType is Alias. In the Init of my form, after setting the DataSession appropriately, I assign the RecordSource to the grid (a cursor) and the ControlSource to each column. The cursor the grid is based on is NOT read-only (it was created with CREATE CURSOR) and when I browse it I can edit it. But I can't change any of the fields in the grid. Why would this be?
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>Column.readOnly?

I checked this. Everything is set to ReadOnly=.f. in the Form Designer. At runtime, however, it seems to change itself.