一个非常实用的C#弹出对话框类(包括弹出对话框,跳转到指定页面,关闭窗口)

using System; 
using System.Web.UI; 
using System.Collections.Generic; 
using System.Text; 
using System.Web;

namespace Web.Comman.Utility
{
    /// <summary> 
    /// 弹出提示框 
    /// </summary> 
    public class ShowMessageInfo
    {
        /// <summary> 
        /// 静态方法，实现提示信息，并跳转到相应的网页 
        /// </summary> 
        /// <param name="Msg">提示信息</param> 
        /// <param name="GoToUrl">跳转到相应的网页的url</param> 
        public static void ShowMessage(string Msg, string GoToUrl)
        {
            Page p = (Page)System.Web.HttpContext.Current.Handler;
            ClientScriptManager CSM = p.ClientScript;
            String ScriptName = "ShowMsgToUrl";
            String ScriptMsg = "alert('" + Msg + "');window.open('" + GoToUrl + "','_self')";
            Type CsType = p.GetType();
            if (!CSM.IsStartupScriptRegistered(CsType, ScriptName))
            {
                CSM.RegisterStartupScript(CsType, ScriptName, ScriptMsg, true);
            }
        }
        /// <summary> 
        /// 静态方法，仅实现提示信息。 
        /// </summary> 
        /// <param name="Msg">错误信息提示</param> 
        public static void JustShowMsg(string Msg)
        {
            Page p = (Page)System.Web.HttpContext.Current.Handler;
            ClientScriptManager CSM = p.ClientScript;
            String ScriptName = "JustShowMsg";
            String ScriptMsg = "alert('" + Msg + "');";
            Type CsType = p.GetType();
            if (!CSM.IsStartupScriptRegistered(CsType, ScriptName))
            {
                CSM.RegisterStartupScript(CsType, ScriptName, ScriptMsg, true);
            }
        }
        /// <summary> 
        /// 跳转到指定的url 
        /// </summary> 
        /// <param name="url">需要跳转的url地址</param> 
        public static void GotoUrl(string url)
        {
            Page p = (Page)System.Web.HttpContext.Current.Handler;
            ClientScriptManager CSM = p.ClientScript;
            String ScriptName = "ToUrl";
            String ScriptMsg = "top.location.href='" + url + "'";
            Type CsType = p.GetType();
            CSM.RegisterStartupScript(CsType, ScriptName, ScriptMsg, true);
        }
        /// <summary> 
        /// 先提示信息，然后关闭窗口 
        /// </summary> 
        /// <param name="Msg"></param> 
        public static void ShowMsgThenCloseWindow(String Msg)
        {
            Page p = (Page)System.Web.HttpContext.Current.Handler;
            ClientScriptManager CSM = p.ClientScript;
            String ScriptName = "close";
            String ScriptMsg = "alert('" + Msg + "');window.opener = null;window.open('','_self');window.close();";
            Type CsType = p.GetType();
            if (!CSM.IsStartupScriptRegistered(CsType, ScriptName))
            {
                CSM.RegisterStartupScript(CsType, ScriptName, ScriptMsg, true);
            }
        }
        /// <summary> 
        /// 关闭窗口 
        /// </summary> 
        public static void CloseWindow()
        {
            Page p = (Page)System.Web.HttpContext.Current.Handler;
            ClientScriptManager CSM = p.ClientScript;
            String ScriptName = "close";
            String ScriptMsg = "window.opener = null;window.open('','_self');window.close();";
            Type CsType = p.GetType();
        }
    }
}