rolesctrl.html

<div style="margin-bottom: 10px">
                <asp:Label runat="server" AssociatedControlID="UserName">User name</asp:Label>
                <div>
                    <asp:DropDownList ID="ddlRoles" runat="server">
                        <asp:ListItem Text="Administrator" Value="admin"></asp:ListItem>
                        <asp:ListItem Text="ProductOwner" Value="productowner"></asp:ListItem>
                        <asp:ListItem Text="Employee" Value="employee"></asp:ListItem>
                    </asp:DropDownList>
                </div>
            </div>