[flexcoders] DataGrid Tooltips for data that is larger than cell?

I'm surprised that Flex doesn't have this built-in, or at least I can't figure it out. If I mouse over a cell with data that extends beyond the allocated space for that cell, how can I have a tooltip popup with the full string of data? I have tried using showDataTips but it just displays the

RE: [flexcoders] DataGrid Tooltips for data that is larger than cell?

@yahoogroups.com Subject: [flexcoders] DataGrid Tooltips for data that is larger than cell? I'm surprised that Flex doesn't have this built-in, or at least I can't figure it out. If I mouse over a cell with data that extends beyond the allocated space for that cell, how can I have a tooltip popup