new web app digest does praise <asp: add-on space
visual studio 2008 w/sp1 to imitate problem i simply emanate new .net 2.0 web concentration supplement page following markup: <%@ page language="c#" autoeventwireup="true" codebehind="default.aspx.cs" inherits="webapplication5._default" %> <!doctype html open "-//w3c//dtd xhtml 1.0 transitional//en" "http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title></title> </head> <body> <form id="form1" runat="server"> <div> <asp:button id="button1" runat="server" /> </div> </form> </body> </html> what happens line drawn underneath :button matter "validation (): component 'button' supported." i've attempted repair .net framework; however, impact. started duty twi...