How to make visibility of row false in case of mozilla firefox?

I have taken table inside that i have taken the row. in design mode when i make the visibility of row as false then there is pair of line comes which represents like there is row.

How to make this line invisible when row visibility is false.

In case of Internet explorer the pair of line not come when rows visibility is false. same things i want to do with mozilla firefox .How to do开发者_运维技巧 that?

Shalni from the line you say , you need to do it

<tr visible="false" runat="server" id="tr1">

on code behind

tr1.visible=true;