WebForm里弹出警告框之内的自定义类MessageBox

using System;

namespace XXX
{
    /// <summary>
    /// 显示消息提示对话框。
    /// </summary>
    public class MessageBox
    {
        private MessageBox()
        {

        }

        public static void Show(Page myPage, string strMessage)
        {
            System.Web.UI.ScriptManager.RegisterStartupScript(myPage, myPage.GetType(), "Message", "\r\n alert('" + strMessage + "') \r\n ", true);
        }
    }
}