C#實作的客戶端彈出訊息框封裝類

asp.net在伺服器端運行，是不能在伺服器端彈出對話框的，但是C#可以透過在頁面輸出JS程式碼實現彈出訊息框的效果，這個C#類別封裝了常用的訊息框彈出JS程式碼，可以在伺服器端調用，在客戶端顯示對話框。不但可以顯示JS的警告框，還可以顯示模式窗口，非常方便。

using System;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
  
namespace DotNet.Utilities
{
    /// <summary>
    /// 页面常用方法包装
    /// </summary>
    public class ShowMessageBox
    {
        #region 信息显示
  
        /// <summary>
        /// 显示提示信息
        /// </summary>
        /// <param name="message"></param>
        public static void ShowMG(string message)
        {
            WriteScript("alert(&#39;" + message + "&#39;);");
        }
  
  
        /// <summary>
        /// 显示提示信息
        /// </summary>
        /// <param name="message">提示信息</param>
        public static void ShowMessage(string message)
        {
            ShowMessage("系统提示", 180, 120, message);
        }
  
  
        /// <summary>
        /// 显示提示信息
        /// </summary>
        /// <param name="message">提示信息</param>
        public static void ShowMessage_link(string message, string linkurl)
        {
            ShowMessage_link("系统提示", 180, 120, message, linkurl, 8000, -1);
        }
  
        /// <summary>
        /// 显示提示信息
        /// </summary>
        /// <param name="title"></param>
        /// <param name="width"></param>
        /// <param name="height"></param>
        /// <param name="message">提示信息</param>
        private static void ShowMessage(string title, int width, int height, string message)
        {
            ShowMessage(title, width, height, message, 3000, -1);
        }
  
        /// <summary>
        /// 显示提示信息
        /// </summary>
        /// <param name="title"></param>
        /// <param name="width"></param>
        /// <param name="height"></param>
        /// <param name="message"></param>
        /// <param name="delayms"></param>
        /// <param name="leftSpace"></param>
        private static void ShowMessage(string title, int width, int height, string message, int delayms, int leftSpace)
        {
            WriteScript(string.Format("popMessage({0},{1},&#39;{2}&#39;,&#39;{3}&#39;,{4},{5});", width, height, title, message, delayms, leftSpace == -1 ? "null" : leftSpace.ToString()));
        }
  
  
        /// <summary>
        /// 显示提示信息
        /// </summary>
        /// <param name="title"></param>
        /// <param name="width"></param>
        /// <param name="height"></param>
        /// <param name="message"></param>
        /// <param name="delayms"></param>
        /// <param name="leftSpace"></param>
        private static void ShowMessage_link(string title, int width, int height, string message, string linkurl, int delayms, int leftSpace)
        {
            WriteScript(string.Format("popMessage2({0},{1},&#39;{2}&#39;,&#39;{3}&#39;,&#39;{4}&#39;,{5},{6});", width, height, title, message, linkurl, delayms, leftSpace == -1 ? "null" : leftSpace.ToString()));
        }
  
  
        #endregion
  
        #region 显示异常信息
  
        /// <summary>
        /// 显示异常信息
        /// </summary>
        /// <param name="ex"></param>
        public static void ShowExceptionMessage(Exception ex)
        {
            ShowExceptionMessage(ex.Message);
        }
  
        /// <summary>
        /// 显示异常信息
        /// </summary>
        /// <param name="message"></param>
        public static void ShowExceptionMessage(string message)
        {
            WriteScript("alert(&#39;" + message + "&#39;);");
            //PageHelper.ShowExceptionMessage("错误提示", 210, 125, message);
        }
  
        /// <summary>
        /// 显示异常信息
        /// </summary>
        /// <param name="title"></param>
        /// <param name="width"></param>
        /// <param name="height"></param>
        /// <param name="message"></param>
        private static void ShowExceptionMessage(string title, int width, int height, string message)
        {
            WriteScript(string.Format("setTimeout(\"showAlert(&#39;{0}&#39;,{1},{2},&#39;{3}&#39;)\",100);", title, width, height, message));
        }
        #endregion
  
        #region 显示模态窗口
  
        /// <summary>
        /// 返回把指定链接地址显示模态窗口的脚本
        /// </summary>
        /// <param name="wid"></param>
        /// <param name="title"></param>
        /// <param name="width"></param>
        /// <param name="height"></param>
        /// <param name="url"></param>
        public static string GetShowModalWindowScript(string wid, string title, int width, int height, string url)
        {
            return string.Format("setTimeout(\"showModalWindow(&#39;{0}&#39;,&#39;{1}&#39;,{2},{3},&#39;{4}&#39;)\",100);", wid, title, width, height, url);
        }
  
        /// <summary>
        /// 把指定链接地址显示模态窗口
        /// </summary>
        /// <param name="wid">窗口ID</param>
        /// <param name="title">标题</param>
        /// <param name="width">宽度</param>
        /// <param name="height">高度</param>
        /// <param name="url">链接地址</param>
        public static void ShowModalWindow(string wid, string title, int width, int height, string url)
        {
            WriteScript(GetShowModalWindowScript(wid, title, width, height, url));
        }
  
        /// <summary>
        /// 为指定控件绑定前台脚本：显示模态窗口
        /// </summary>
        /// <param name="control"></param>
        /// <param name="eventName"></param>
        /// <param name="wid"></param>
        /// <param name="title"></param>
        /// <param name="width"></param>
        /// <param name="height"></param>
        /// <param name="url"></param>
        /// <param name="isScriptEnd"></param>
        public static void ShowCilentModalWindow(string wid, WebControl control, string eventName, string title, int width, int height, string url, bool isScriptEnd)
        {
            string script = isScriptEnd ? "return false;" : "";
            control.Attributes[eventName] = string.Format("showModalWindow(&#39;{0}&#39;,&#39;{1}&#39;,{2},{3},&#39;{4}&#39;);" + script, wid, title, width, height, url);
        }
  
        /// <summary>
        /// 为指定控件绑定前台脚本：显示模态窗口
        /// </summary>
        /// <param name="cell"></param>
        /// <param name="eventName"></param>
        /// <param name="wid"></param>
        /// <param name="title"></param>
        /// <param name="width"></param>
        /// <param name="height"></param>
        /// <param name="url"></param>
        /// <param name="isScriptEnd"></param>
        public static void ShowCilentModalWindow(string wid, TableCell cell, string eventName, string title, int width, int height, string url, bool isScriptEnd)
        {
            string script = isScriptEnd ? "return false;" : "";
            cell.Attributes[eventName] = string.Format("showModalWindow(&#39;{0}&#39;,&#39;{1}&#39;,{2},{3},&#39;{4}&#39;);" + script, wid, title, width, height, url);
        }
        #endregion
  
        #region 显示客户端确认窗口
        /// <summary>
        /// 显示客户端确认窗口
        /// </summary>
        /// <param name="control"></param>
        /// <param name="eventName"></param>
        /// <param name="message"></param>
        public static void ShowCilentConfirm(WebControl control, string eventName, string message)
        {
            ShowCilentConfirm(control, eventName, "系统提示", 210, 125, message);
        }
  
        /// <summary>
        /// 显示客户端确认窗口
        /// </summary>
        /// <param name="control"></param>
        /// <param name="eventName"></param>
        /// <param name="title"></param>
        /// <param name="width"></param>
        /// <param name="height"></param>
        /// <param name="message"></param>
        public static void ShowCilentConfirm(WebControl control, string eventName, string title, int width, int height, string message)
        {
            control.Attributes[eventName] = string.Format("return showConfirm(&#39;{0}&#39;,{1},{2},&#39;{3}&#39;,&#39;{4}&#39;);", title, width, height, message, control.ClientID);
        }
  
  
        #endregion
  
        /// <summary>
        /// 写javascript脚本
        /// </summary>
        /// <param name="script">脚本内容</param>
        public static void WriteScript(string script)
        {
            Page page = GetCurrentPage();
  
            // NDGridViewScriptFirst(page.Form.Controls, page);
  
            page.ClientScript.RegisterStartupScript(page.GetType(), System.Guid.NewGuid().ToString(), script, true);
  
        }
  
        /// <summary>
        /// 得到当前页对象实例
        /// </summary>
        /// <returns></returns>
        public static Page GetCurrentPage()
        {
            return (Page)HttpContext.Current.Handler;
        }
  
  
    }
}