ASP Listview. How to hide a table row using CSS

[Kimi]

If i use the following markup for my ListView it will ignore the css properties on the div.What is it i don't get here ?\[code\]<ItemTemplate> <tr> <td><%# Eval("RowNumber")%></td> <td><%# Eval("Desc")%></td> </tr> <div style="display: none; visibility: hidden"> <tr> <td><%# Eval("RowNumber")%></td> <td><%# Eval("Desc")%></td> </tr> </div></ItemTemplate></asp:ListView>\[/code\]