<% Html.Obout(new ComboBox("ComboBox1")
{
EmptyText = "Select a customer ...",
}); %>
<% Html.Obout(new OboutButton("OboutButton1")
{
OnClientClick = "return enableComboBox();"
}); %>
<% Html.Obout(new OboutButton("OboutButton2")
{
OnClientClick = "return disableComboBox();"
}); %>