Hi...
See this may its help full 2 u.
<asp:TextBox ID="txtauto" runat="server"></asp:TextBox>
<asp:RadioButtonList ID="rbtLstRating" runat="server"
RepeatDirection="Horizontal" RepeatLayout="Table"
onselectedindexchanged="rbtLstRating_SelectedIndexChanged" AutoPostBack="True">
<asp:ListItem Text="Excellent" Value="Excellent"></asp:ListItem>
<asp:ListItem Text="Very Good" Value="Very Good"></asp:ListItem>
</asp:RadioButtonList>
protected void rbtLstRating_SelectedIndexChanged(object sender, EventArgs e)
{
if (rbtLstRating.SelectedItem.Text == "Excellent")
{
txtauto.Visible = false;
}
else
{
txtauto.Visible = false;
}
}
Thank u.