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