Alert 弹提示信息的5种方法

<pre name="code" class="php">

<span style="font-family: Arial, Helvetica, sans-serif;">1.window.showModalDialog('XXX.aspx', '', 'dialogWidth:429px;dialogHeight:200px;location:no,menubar:no,toolbar:no,status:no');</span>

2.HttpContext.Current.Response.Write("<script>alert('第二种方式,有白屏！')</script>");

3.public static void Show(System.Web.UI.Page page, string msg)
    {
        page.ClientScript.RegisterStartupScript(page.GetType(), "message", "<script language='javascript' defer>alert('" +  msg.ToString() + "');</script>");
    }

4.Response.Write("<script>alert('第四种方式，有白屏！')</script>");

5.ClientScript.RegisterStartupScript(GetType(),"message","<script>alert('第一种方式,无白屏！');</script>");