Asp.net中向前端输出JS的一些调用

最近突然写ASP.NET项目，用到向前台输出JS脚本，但是以前在MVC里是通过异步或者一些方法来调用，但是ASP.net用到的很少。在网上找到一个HELPER.CS.保存一下，以后再用。

 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Web;
 using System.Web.UI;
 namespace CLB.Utility.WebTools
 {
     public static class JsHelper
     {
         public static void SetJS(string js, Page page, string jsName)
         {
             string str = "<script type=\"text/javascript\" language=\"javascript\">{0}</script>";
             js = string.Format(str, js);
             if (!page.ClientScript.IsStartupScriptRegistered(page.GetType(), jsName))
             {
                 page.ClientScript.RegisterStartupScript(page.GetType(), jsName, js);
             }
         }
         ///<summary>
         ///弹出JavaScript小窗口
         ///</summary>
         ///<paramname="js">窗口信息</param>
         public static void Alert(string message, Page page)
         {
             string js = @"alert('" + message + "');";
             SetJS(js, page, "alert");
         }
         ///<summary>
         ///弹出消息框并且转向到新的URL
         ///</summary>
         ///<paramname="message">消息内容</param>
         ///<paramname="toURL">连接地址</param>
         public static void AlertAndRedirect(string message, string toURL, Page page)
         {
             #region
             string js = string.Format("alert('{0}');window.location.replace('{1}')", message, toURL);
             SetJS(js, page, "AlertAndRedirect");
             #endregion
         }
         ///<summary>
         ///回到历史页面
         ///</summary>
         ///<paramname="value">-1/1</param>
         public static void GoHistory(int value, Page page)
         {
             string js = string.Format("history.go({0});", value);
             SetJS(js, page, "GoHistory");
         }
         ///<summary>
         ///刷新父窗口
         ///</summary>
         public static void RefreshParent(string url, Page page)
         {
             #region
             string js = @"window.opener.location.href='" + url + "';window.close();";
             SetJS(js, page, "RefreshParent");
             #endregion
         }
         /// <summary>
         /// 刷新打开窗口
         /// </summary>
         /// <param name="page"></param>
         public static void RefreshOpener(Page page)
         {
             #region
             string js = @"opener.location.reload();";
             SetJS(js, page, "RefreshOpener");
             #endregion
         }///<summary>
         ///打开指定大小位置的模式对话框
         ///</summary>
         ///<paramname="webFormUrl">连接地址</param>
         ///<paramname="width">宽</param>
         ///<paramname="height">高</param>
         ///<paramname="top">距离上位置</param>
         ///<paramname="left">距离左位置</param>
         public static void ShowModalDialogWindow(string webFormUrl, int width, int height, int top, int left, Page page)
         {
             #region
             string features = "dialogWidth:" + width.ToString() + "px"
               + ";dialogHeight:" + height.ToString() + "px"
               + ";dialogLeft:" + left.ToString() + "px"
               + ";dialogTop:" + top.ToString() + "px"
               + ";center:yes;help=no;resizable:no;status:no;scroll=yes";
             ShowModalDialogWindow(webFormUrl, features, page);
             #endregion
         }
         public static void ShowModalDialogWindow(string webFormUrl, string features, Page page)
         {
             string js = @"showModalDialog('" + webFormUrl + "','','" + features + "');";
             SetJS(js, page, "ShowModalDialogWindow");
         }
     }
 }

转自http://www.codefans.net/articles/1680.shtml 谢谢作者分享