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Brian Bilbro

I haven't tried the method you want but the following method works well for me:

public void removeAllRows()
{
  for(int i=this.getRowCount();i>0;--i)
    this.removeRow(i-1);      
}

I add this method to a class that inherits the data model class I need and then call this method as part of retrieving a new set of data.