DataGrid - How to display the content of a hidden TemplateField on mouseover
<p>i'm using a DataGrid to display informations (e.g. names and addresses of bookstores), and i want to display the opening hours in a tooltip onmouseover. The information i want to show onmouseover is in a TemplateField which Visible porperty is set to false.</p>

<p>How can i achieve that? Must i use javascript and css ?</p>

<p>Thanx</p>
