How to clear radiobuttonlist selected value if textbox value is present/selected and viceversa(i.e should clear textbox value if radiobuttonlist has selected value) before clicking the button?
<asp:Button ID="Export" runat="server" Text="Export" OnClick="Export_Click" />
<asp:RadioButtonList ID="RBL1" runat="server">
<asp:ListItem Text="All Pages" Value="AP"></asp:ListItem>
<asp:ListItem Text="Current Page" Value="CP"></asp:ListItem>
</asp:RadioButtonList>
Select Top<asp:TextBox ID="TB1" runat="server" Width="25px">
</asp:TextBox>