C#实现客户端弹出消息框封装类实例


本文实例讲述了C#实现客户端弹出消息框封装类。分享给大家供大家参考。具体如下:

asp.net在服务器端运行,是不能在服务器端弹出对话框的,但是C#可以通过在页面输出JS代码实现弹出消息框的效果,这个C#类封装了常用的消息框弹出JS代码,可以在服务器端调用,在客户端显示对话框。不但可以显示JS的警告框,还可以显示模式窗口,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('" + 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;
    }
  }
}

希望本文所述对大家的C#程序设计有所帮助。



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