In the current implementation (case 1) it is not possible to use formatter for this purpose, beqouse of the rendering engine, which call first the formatter and then we construct the tooltip.
One possible solution is to use grid complete event and then you can loop througth the rows
In a related question, I'm finding that the headings for each column do not cut off. So, if the column is too narrow, the text continues on and overwrites the header of the next column. Is there any way to fix this?
such strange look has long headers in old version of IE (in IE 6). How to fix the problem in IE6 I don’t now currently. Probably Tony could help you. In more modern versions of IE, the text in column headers will be cut off like you want. To add tooltips to headers I use code like
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