Version nowVer = Request.Browser.ClrVersion; Version requireVer = new Version(2, 0, 50727); if (nowVer.Major == 0) { Response.Write("닷넷 프레임워크 없음"); } else { if (nowVer <= requireVer) { Response.Write("1.1.4322 보다 적음"); } Response.Write(nowVer.ToString() + "
" + requireVer.ToString()); }