C#實現的用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方塊的，但是C#可以通過在頁面輸出JS代碼實現彈出訊息框的效果，這個C#類封裝了常用的訊息框彈出JS代碼，可以在伺服器端調用，在用戶端顯示對話方塊。不但可以顯示JS的警告框，還可以顯示模式視窗，非常方便。

using System;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;  namespace DotNet.Utilities{    ///     /// 頁面常用方法封裝    ///     public class ShowMessageBox    {        #region 資訊顯示          ///         /// 顯示提示資訊        ///         ///         public static void ShowMG(string message)        {            WriteScript("alert('" + message + "');");        }            ///         /// 顯示提示資訊        ///         /// 提示資訊        public static void ShowMessage(string message)        {            ShowMessage("系統提示", 180, 120, message);        }            ///         /// 顯示提示資訊        ///         /// 提示資訊        public static void ShowMessage_link(string message, string linkurl)        {            ShowMessage_link("系統提示", 180, 120, message, linkurl, 8000, -1);        }          ///         /// 顯示提示資訊        ///         ///         ///         ///         /// 提示資訊        private static void ShowMessage(string title, int width, int height, string message)        {            ShowMessage(title, width, height, message, 3000, -1);        }          ///         /// 顯示提示資訊        ///         ///         ///         ///         ///         ///         ///         private static void ShowMessage(string title, int width, int height, string message, int delayms, int leftSpace)        {            WriteScript(string.Format("popMessage({0},{1},'{2}','{3}',{4},{5});", width, height, title, message, delayms, leftSpace == -1 ? "null" : leftSpace.ToString()));        }            ///         /// 顯示提示資訊        ///         ///         ///         ///         ///         ///         ///         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},'{2}','{3}','{4}',{5},{6});", width, height, title, message, linkurl, delayms, leftSpace == -1 ? "null" : leftSpace.ToString()));        }            #endregion          #region 顯示異常資訊          ///         /// 顯示異常資訊        ///         ///         public static void ShowExceptionMessage(Exception ex)        {            ShowExceptionMessage(ex.Message);        }          ///         /// 顯示異常資訊        ///         ///         public static void ShowExceptionMessage(string message)        {            WriteScript("alert('" + message + "');");            //PageHelper.ShowExceptionMessage("錯誤提示", 210, 125, message);        }          ///         /// 顯示異常資訊        ///         ///         ///         ///         ///         private static void ShowExceptionMessage(string title, int width, int height, string message)        {            WriteScript(string.Format("setTimeout(\"showAlert('{0}',{1},{2},'{3}')\",100);", title, width, height, message));        }        #endregion          #region 顯示模態視窗          ///         /// 返回把指定連結地址顯示模態視窗的指令碼        ///         ///         ///         ///         ///         ///         public static string GetShowModalWindowScript(string wid, string title, int width, int height, string url)        {            return string.Format("setTimeout(\"showModalWindow('{0}','{1}',{2},{3},'{4}')\",100);", wid, title, width, height, url);        }          ///         /// 把指定連結地址顯示模態視窗        ///         /// 視窗ID        /// 標題        /// 寬度        /// 高度        /// 連結地址        public static void ShowModalWindow(string wid, string title, int width, int height, string url)        {            WriteScript(GetShowModalWindowScript(wid, title, width, height, url));        }          ///         /// 為指定控制項綁定前台指令碼：顯示模態視窗        ///         ///         ///         ///         ///         ///         ///         ///         ///         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('{0}','{1}',{2},{3},'{4}');" + script, wid, title, width, height, url);        }          ///         /// 為指定控制項綁定前台指令碼：顯示模態視窗        ///         ///         ///         ///         ///         ///         ///         ///         ///         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('{0}','{1}',{2},{3},'{4}');" + script, wid, title, width, height, url);        }        #endregion          #region 顯示用戶端確認視窗        ///         /// 顯示用戶端確認視窗        ///         ///         ///         ///         public static void ShowCilentConfirm(WebControl control, string eventName, string message)        {            ShowCilentConfirm(control, eventName, "系統提示", 210, 125, message);        }          ///         /// 顯示用戶端確認視窗        ///         ///         ///         ///         ///         ///         ///         public static void ShowCilentConfirm(WebControl control, string eventName, string title, int width, int height, string message)        {            control.Attributes[eventName] = string.Format("return showConfirm('{0}',{1},{2},'{3}','{4}');", title, width, height, message, control.ClientID);        }            #endregion          ///         /// 寫javascript指令碼        ///         /// 指令碼內容        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);          }          ///         /// 得到當前頁對象執行個體        ///         ///         public static Page GetCurrentPage()        {            return (Page)HttpContext.Current.Handler;        }        }}

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