Client ID & Server ID

Hide TR Tag

aspx
<table style="width:100%;">
   <tr runat="server" id="td1">
      <td>1</td>
      <td>1</td>
      <td>1</td>
   </tr>
   <tr>
      <td>2</td>
      <td>2</td>
      <td>2</td>
   </tr>
</table>

aspx.vb
Protected Sub Page_Load(sender As Object, e As System.EventArgs) Handles Me.Load
   td1.Visible = False
End Sub