


Client pop-up message box encapsulation class implemented in C#
asp.net runs on the server side and cannot pop up a dialog box on the server side. However, C# can achieve the effect of popping up a message box by outputting JS code on the page. This C# class encapsulates the commonly used message box popup JS code, which can be Called on the server side, the dialog box is displayed on the client side. Not only can it display JS warning boxes, but it can also display modal windows, which is very convenient.
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('" + message + "');"); } /// <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},'{2}','{3}',{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},'{2}','{3}','{4}',{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('" + message + "');"); //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('{0}',{1},{2},'{3}')\",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('{0}','{1}',{2},{3},'{4}')\",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('{0}','{1}',{2},{3},'{4}');" + 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('{0}','{1}',{2},{3},'{4}');" + 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('{0}',{1},{2},'{3}','{4}');", 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; } } }

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