ASP.NET 自訂 MessageBox指令碼

public class MessageBox
    {
        private MessageBox()
        {

        // Response.Write("<script>alert('添加公司資訊失敗!');</script>");
        // ClientScript.RegisterStartupScript(this.GetType(), "return", "<script>alert('提示：錯誤！');window.location.href='InfoList.aspx';</script>");
        }

        /// <summary>
        /// 顯示訊息提示對話方塊
        /// </summary>
        /// <param name="page">當前頁面指標，一般為this</param>
        /// <param name="msg">提示資訊</param>
        public static void Show(System.Web.UI.Page page, string msg)
        {
            page.RegisterStartupScript("message", "<script language='javascript' defer>alert('" + msg.ToString() + "');</script>");
        }

        /// <summary>
        /// 控制項點擊 訊息確認提示框

        /// </summary>
        /// <param name="page">當前頁面指標，一般為this</param>
        /// <param name="msg">提示資訊</param>
        public static void ShowConfirm(System.Web.UI.WebControls.WebControl Control, string msg)
        {
            //Control.Attributes.Add("onClick","if (!window.confirm('"+msg+"')){return false;}");
            Control.Attributes.Add("onclick", "return confirm('" + msg + "');");
        }

        /// <summary>
        /// 顯示訊息提示對話方塊，並進行頁面跳轉

        /// </summary>
        /// <param name="page">當前頁面指標，一般為this</param>
        /// <param name="msg">提示資訊</param>
        /// <param name="url">跳轉的目標URL</param>
        public static void ShowAndRedirect(System.Web.UI.Page page, string msg, string url)
        {
            StringBuilder Builder = new StringBuilder();
            Builder.Append("<script language='javascript' defer>");
            Builder.AppendFormat("alert('{0}');", msg);
            Builder.AppendFormat("top.location.href='{0}'", url);
            Builder.Append("</script>");
            page.RegisterStartupScript("message", Builder.ToString());

        }
        /// <summary>
        /// 輸出自訂指令碼資訊

        /// </summary>
        /// <param name="page">當前頁面指標，一般為this</param>
        /// <param name="script">輸出指令碼</param>
        public static void ResponseScript(System.Web.UI.Page page, string script)
        {
            page.RegisterStartupScript("message", "<script language='javascript' defer>" + script + "</script>");
        }
    }