转自:http://www.cnblogs.com/dida/articles/1175672.html
在AJAX支持的网站中使用想使用Response.Wrie(“”); 或 Page. RegisterStartupScript (); 弹出一些提示对话框,没有效果。有如下两种解决方法:
(1) System.Web.UI.ScriptManager.RegisterStartupScript来替代Page.ClientScript.RegisterStartupScript
函数原型:
System.Web.UI.ScriptManager.RegisterStartupScript(Contrl control, Type type,
string
key,
string
script,
bool
addScriptTags);
参数:
control
//
要要注册此段javascript语句的控件ID,如下面示例的按钮ID btnUnReport
type // 一般直接用this.GetType()即可
key // 为要执行的javascirpt语句起的名字,可以随便起,类似控件的name属性
script // javascript语句
addScriptTags // 为true时,前边的script参数可以不用再写javascript标签;为false,则需自己为script参数添加<script language=’javascript’></script>标签。
type // 一般直接用this.GetType()即可
key // 为要执行的javascirpt语句起的名字,可以随便起,类似控件的name属性
script // javascript语句
addScriptTags // 为true时,前边的script参数可以不用再写javascript标签;为false,则需自己为script参数添加<script language=’javascript’></script>标签。
注: 要多传一个Control参数,如果这个control在UpdatePanel里,则运行脚步,如果这个control不在UpdatePanel则不允许这段脚步。
Eg.
System.Web.UI.ScriptManager.RegisterStartupScript(btnUnReport,
this
.GetType(),
"
unReport
"
,
"
alert('内容');window.close();
"
,
true
);
(2)注册DataItem方法:
示例:
<%
@ Page Language="C#" AutoEventWireup="true" CodeFile="WebForm1.aspx.cs" Inherits="WebForm1"
%>
<! DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" >
< html xmlns ="http://www.w3.org/1999/xhtml" >
< head runat ="server" >
< title > 无标题页 </ title >
</ head >
< body >
< form id ="form1" runat ="server" >
< asp:ScriptManager ID ="ScriptManager1" runat ="server" ></ asp:ScriptManager >
< script type ="text/javascript" >
Sys.WebForms.PageRequestManager.getInstance().add_pageLoading(
function(sender, e)
{
var dataItem = e.get_dataItems()["<%= this.UpdatePanel1.ClientID %>"]();
alert(dataItem.Name);
});
</ script >
< div >
< asp:UpdatePanel ID ="UpdatePanel1" runat ="server" >
< ContentTemplate >
< asp:Button ID ="test" runat ="server" Text ="test" OnClick ="test_Click" />
</ ContentTemplate >
</ asp:UpdatePanel >
</ div >
</ form >
</ body >
</ html >
<! DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" >
< html xmlns ="http://www.w3.org/1999/xhtml" >
< head runat ="server" >
< title > 无标题页 </ title >
</ head >
< body >
< form id ="form1" runat ="server" >
< asp:ScriptManager ID ="ScriptManager1" runat ="server" ></ asp:ScriptManager >
< script type ="text/javascript" >
Sys.WebForms.PageRequestManager.getInstance().add_pageLoading(
function(sender, e)
{
var dataItem = e.get_dataItems()["<%= this.UpdatePanel1.ClientID %>"]();
alert(dataItem.Name);
});
</ script >
< div >
< asp:UpdatePanel ID ="UpdatePanel1" runat ="server" >
< ContentTemplate >
< asp:Button ID ="test" runat ="server" Text ="test" OnClick ="test_Click" />
</ ContentTemplate >
</ asp:UpdatePanel >
</ div >
</ form >
</ body >
</ html >
using
System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Web.Script.Serialization;
public partial class WebForm1 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void test_Click(object sender, EventArgs e)
{
JavaScriptSerializer serializer = new JavaScriptSerializer();
ScriptManager.GetCurrent(this.Page).RegisterDataItem(this.UpdatePanel1, "var _f = function(){alert('Hello World!');}; _f;", true);
}
}
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Web.Script.Serialization;
public partial class WebForm1 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void test_Click(object sender, EventArgs e)
{
JavaScriptSerializer serializer = new JavaScriptSerializer();
ScriptManager.GetCurrent(this.Page).RegisterDataItem(this.UpdatePanel1, "var _f = function(){alert('Hello World!');}; _f;", true);
}
}
(3) 使用Javascript的非模态对话框弹出提示
Eg.
Page.RegisterStartupScript(
"
alert
"
,
"
<script language='javascript'>window.showModelessDialog(\
"
javascript:alert(
'
内容
'
);window.close();\
"
,\
"
\
"
,\
"
status:no;resizable:no;help:no;dialogHeight:height:30px;dialogHeight:40px;\
"
)</script>
"
);