弹出提示框包含增加，修改，删除，成功或者失败操作提示信息方法封装

前台调用方法：
   bool result =false;
         
       if (result)
          new MessageBox(Page).ShowAndJump("添加成功!", "List.aspx");
        else
         new MessageBox(this.Page).Show("添加失败！");

弹出提示框包含增加，修改，删除，成功或者失败操作提示信息方法封装:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web.UI.WebControls;
using System.Web.UI;

namespace  ToolsCommon
{
    public class MessageBox
    {
        private Control _fromctrl;
        private Page _fromPage;

        #region 构造页面和用户控件操作
        public MessageBox(Page frompage)
        {
            _fromPage = frompage;
        }

        public MessageBox(UserControl fromctrl)
        {
            _fromctrl = fromctrl;
        }
        #endregion

        /// <summary>
        /// 弹出提示信息，页面禁止空白显示
        /// </summary>
        /// <param name="messagetext"></param>
        public void Show(string messagetext)
        {
            string LableId;
            LableId = Guid.NewGuid().ToString(N);

            Label lable1 = new Label();
            lable1.ID = msg + LableId;
            lable1.Text = String.Format(script language=javascriptwindow.alert('{0}');script, messagetext);
            lable1.Visible = true;
            if (_fromctrl == null)
                _fromPage.Controls.Add(lable1);
            else
                _fromctrl.Page.Controls.Add(lable1);
        }

      
        /// <summary>
        /// 跳转指定页面方法
        /// </summary>
        /// <param name="newurl">要转向的路径地址</param>
        public void Jump(string newurl)
        {
            string LableId;
            LableId = Guid.NewGuid().ToString(N);

            Label lable1 = new Label();
            lable1.ID = msg + LableId;
            lable1.Text = String.Format(script language=javascriptwindow.location.href='{0}';script, newurl);
            lable1.Visible = true;
            if (_fromctrl == null)
                _fromPage.Controls.Add(lable1);
            else
                _fromctrl.Page.Controls.Add(lable1);
        }

        /// <summary>
        /// 弹出提示信息，页面禁止空白，转向指定页面
        /// </summary>
        /// <param name="messagetext">弹出提示信息</param>
        /// <param name="newrul">转向指定页面路径</param>
        public void ShowAndJump(string messagetext, string newrul)
        {
            Show(messagetext);
            Jump(newrul);
        }
    }
}