asp.net后台如何输出js脚本使用什么方法可以实现

 
/**//// <summary> 
/// 弹出JavaScript小窗口 
/// </summary> 
/// <param name="js">窗口信息</param> 
public static void Alert(string message, Page page) 
{ 
#region 
string js = @"<Script language='JavaScript'> 
alert('" + message + "');</Script>"; 
//HttpContext.Current.Response.Write(js); 
if (!page.ClientScript.IsStartupScriptRegistered(page.GetType(), "alert")) 
{ 
page.ClientScript.RegisterStartupScript(page.GetType(), "alert", js); 
} 
#endregion 
} /**//// <summary> 
/// 弹出消息框并且转向到新的URL 
/// </summary> 
/// <param name="message">消息内容</param> 
/// <param name="toURL">连接地址</param> 
public static void AlertAndRedirect(string message, string toURL, Page page) 
{ 
#region 
string js = "<script language=javascript>alert('{0}');window.location.replace('{1}')</script>"; 
//HttpContext.Current.Response.Write(string.Format(js, message, toURL)); 
if (!page.ClientScript.IsStartupScriptRegistered(page.GetType(), "AlertAndRedirect")) 
{ 
page.ClientScript.RegisterStartupScript(page.GetType(), "AlertAndRedirect", string.Format(js, message, toURL)); 
} 
#endregion 
} /**//// <summary> 
/// 回到历史页面 
/// </summary> 
/// <param name="value">-1/1</param> 
public static void GoHistory(int value, Page page) 
{ 
#region 
string js = @"<Script language='JavaScript'> 
history.go({0}); 
</Script>"; 
//HttpContext.Current.Response.Write(string.Format(js, value)); 
if (!page.ClientScript.IsStartupScriptRegistered(page.GetType(), "GoHistory")) 
{ 
page.ClientScript.RegisterStartupScript(page.GetType(), "GoHistory", string.Format(js, value)); 
} 
#endregion 
} /**//// <summary> 
/// 刷新父窗口 
/// </summary> 
public static void RefreshParent(string url, Page page) 
{ 
#region 
string js = @"<Script language='JavaScript'> 
window.opener.location.rel="nofollow noopener noreferrer" href='" + url + "';window.close();</Script>"; 
//HttpContext.Current.Response.Write(js); 
if (!page.ClientScript.IsStartupScriptRegistered(page.GetType(), "RefreshParent")) 
{ 
page.ClientScript.RegisterStartupScript(page.GetType(), "RefreshParent", js); 
} 
#endregion 
} 
/**//// <summary> 
/// 刷新打开窗口 
/// </summary> 
public static void RefreshOpener(Page page) 
{ 
#region 
string js = @"<Script language='JavaScript'> 
opener.location.reload(); 
</Script>"; 
//HttpContext.Current.Response.Write(js); 
if (!page.ClientScript.IsStartupScriptRegistered(page.GetType(), "RefreshOpener")) 
{ 
page.ClientScript.RegisterStartupScript(page.GetType(), "RefreshOpener", js); 
} 
#endregion 
} 
/**//// <summary> 
/// 打开指定大小的新窗体 
/// </summary> 
/// <param name="url">地址</param> 
/// <param name="width">宽</param> 
/// <param name="heigth">高</param> 
/// <param name="top">头位置</param> 
/// <param name="left">左位置</param> 
public static void OpenWebFormSize(string url, int width, int heigth, int top, int left, Page page) 
{ 
#region 
string js = @"<Script language='JavaScript'>window.open('" + url + @"','','height=" + heigth + ",width=" + width + ",top=" + top + ",left=" + left + ",location=no,menubar=no,resizable=yes,scrollbars=yes,status=yes,titlebar=no,toolbar=no,directories=no');</Script>"; 
//HttpContext.Current.Response.Write(js); 
if (!page.ClientScript.IsStartupScriptRegistered(page.GetType(), "OpenWebFormSize")) 
{ 
page.ClientScript.RegisterStartupScript(page.GetType(), "OpenWebFormSize", js); 
} 
#endregion 
} 
/**//// <summary> 
/// 转向Url制定的页面 
/// </summary> 
/// <param name="url">连接地址</param> 
public static void JavaScriptLocationHref(string url, Page page) 
{ 
#region 
string js = @"<Script language='JavaScript'> 
window.location.replace('{0}'); 
</Script>"; 
js = string.Format(js, url); 
//HttpContext.Current.Response.Write(js); 
if (!page.ClientScript.IsStartupScriptRegistered(page.GetType(), "JavaScriptLocationHref")) 
{ 
page.ClientScript.RegisterStartupScript(page.GetType(), "JavaScriptLocationHref", js); 
} 
#endregion 
} /**//// <summary> 
/// 打开指定大小位置的模式对话框 
/// </summary> 
/// <param name="webFormUrl">连接地址</param> 
/// <param name="width">宽</param> 
/// <param name="height">高</param> 
/// <param name="top">距离上位置</param> 
/// <param name="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 
} /**//// <summary> 
/// 弹出模态窗口 
/// </summary> 
/// <param name="webFormUrl"></param> 
/// <param name="features"></param> 
public static void ShowModalDialogWindow(string webFormUrl, string features, Page page) 
{ 
string js = ShowModalDialogJavascript(webFormUrl, features); 
//HttpContext.Current.Response.Write(js); 
if (!page.ClientScript.IsStartupScriptRegistered(page.GetType(), "ShowModalDialogWindow")) 
{ 
page.ClientScript.RegisterStartupScript(page.GetType(), "ShowModalDialogWindow", js); 
} 
} 

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