一般情况下,Response.Redirect 方法是在服务器端进行转向,因此,除非使用 Response.Write("<script>window.location='http://dotnet.aspx.cc';</script>") 方法外,是不能在新窗口打开所指定的 URL 地址的。但是,如果仔细分析一下,如果设置 form 元素的 target 属性,还是有办法打开新窗口的。下面就是可以采用的两种方法。
方法一:在服务器端设置 target 属性,这个方法也非常适用于客户端不支持脚本的情况。代码如下:
<%
@ Page Language
=
"
C#
"
AutoEventWireup
=
"
true
"
%>
<!
DOCTYPE html PUBLIC
"
-//W3C//DTD XHTML 1.0 Transitional//EN
"
"
http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd
"
>
<
script runat
=
"
server
"
>
protected
void
Page_Load(
object
sender, EventArgs e)
{
form1.Target
=
"
_blank
"
;
}
protected
void
Button1_Click(
object
sender, EventArgs e)
{
Response.Redirect(
"
http://dotnet.aspx.cc
"
);
}
</
script
>
<
html xmlns
=
"
http://www.w3.org/1999/xhtml
"
>
<
head id
=
"
Head1
"
runat
=
"
server
"
>
<
title
></
title
>
</
head
>
<
body id
=
"
b
"
runat
=
"
server
"
>
<
form id
=
"
form1
"
runat
=
"
server
"
>
<
asp:Button ID
=
"
Button1
"
runat
=
"
server
"
OnClick
=
"
Button1_Click
"
Text
=
"
打开新窗口或者新 Tab
"
/>
</
form
>
</
body
>
</
html
>
办法二:采用客户端脚本的方法设置 target 属性。代码如下:
<%
@ Page Language
=
"
C#
"
AutoEventWireup
=
"
true
"
%>
<!
DOCTYPE html PUBLIC
"
-//W3C//DTD XHTML 1.0 Transitional//EN
"
"
http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd
"
>
<
script runat
=
"
server
"
>
protected
void
Page_Load(
object
sender, EventArgs e)
{
Button1.Attributes.Add(
"
onclick
"
,
"
this.form.target='_newName'
"
);
}
protected
void
Button1_Click(
object
sender, EventArgs e)
{
Response.Redirect(
"
http://dotnet.aspx.cc
"
);
}
</
script
>
<
html xmlns
=
"
http://www.w3.org/1999/xhtml
"
>
<
head id
=
"
Head1
"
runat
=
"
server
"
>
<
title
></
title
>
</
head
>
<
body id
=
"
b
"
runat
=
"
server
"
>
<
form id
=
"
form1
"
runat
=
"
server
"
>
<
asp:Button ID
=
"
Button1
"
runat
=
"
server
"
OnClick
=
"
Button1_Click
"
Text
=
"
打开新窗口或者新 Tab
"
/>
</
form
>
</
body
>
</
html
>
上面两种方法中的 target 属性可以采用任何合法的名称,但要注意,如果相同名称的窗口已经打开,则新窗口会在已经存在名称的窗口里打开。
更新:如果需要设置弹出窗口的宽度和高度,可以修改为下面的方法:
<%
@ Page Language
=
"
C#
"
AutoEventWireup
=
"
true
"
%>
<!
DOCTYPE html PUBLIC
"
-//W3C//DTD XHTML 1.0 Transitional//EN
"
"
http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd
"
>
<
script runat
=
"
server
"
>
protected
void
Page_Load(
object
sender, EventArgs e)
{
string
WindowName
=
"
win
"
+
System.DateTime.Now.Ticks.ToString();
Page.RegisterOnSubmitStatement(
"
js
"
,
"
window.open('','
"
+
WindowName
+
"
','width=600,height=200')
"
);
form1.Target
=
WindowName;
}
protected
void
Button1_Click(
object
sender, EventArgs e)
{
Response.Redirect(
"
http://dotnet.aspx.cc
"
);
}
</
script
>
<
html xmlns
=
"
http://www.w3.org/1999/xhtml
"
>
<
head id
=
"
Head1
"
runat
=
"
server
"
>
<
title
></
title
>
</
head
>
<
body id
=
"
b
"
runat
=
"
server
"
>
<
form id
=
"
form1
"
runat
=
"
server
"
>
<
asp:Button ID
=
"
Button1
"
runat
=
"
server
"
OnClick
=
"
Button1_Click
"
Text
=
"
打开新窗口或者新 Tab
"
/>
</
form
>
</
body
>
</
html
>
另外一种弹出的方法可以参见老外的文章:
http://weblogs.asp.net/infinitiesloop/archive/2007/09/25/response-redirect-into-a-new-window-with-extension-methods.aspx
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