'1结合2，能解决弹出窗口后字体不变的问题
'System.Web.HttpContext.Current.Response.Write("<script>alert("""
& msg &
""")</script>") '1
'System.Web.HttpContext.Current.Response.Write("<script>document.location=document.location;</script>")
'2
'3结合4,能解决弹出窗口字体不变的问题，同时，解决保留文本框原录入信息的问题
System.Web.HttpContext.Current.Response.Write("<!DOCTYPE
html PUBLIC '-//W3C//DTD XHTML 1.0 Transitional//EN'
'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd'>")
'3
System.Web.HttpContext.Current.Response.Write("<script>alert("""
& msg &
""")</script>") '4