In page1:<INPUT id="MD" type="hidden" name="MD" value="Hello world">,
and there is a button, has a javascript onclick event, in this event, a
popup window will appear.
In the pop-up window, how can I get the hidden control's value (Hello
world) in code behind?
BTW, I can get it in clicent by:
var MDValue = window.opener.d ocument.getElem entById("MD").v alue;
4  1570 
You have to pass that as a querystring parameter to the popup, then the
code-behind can access it.
"Jack" <ls*****@gmail. com> wrote in message
news:11******** **************@ g14g2000cwa.goo glegroups.com.. . In page1:<INPUT id="MD" type="hidden" name="MD" value="Hello world">,
and there is a button, has a javascript onclick event, in this event, a
popup window will appear.
In the pop-up window, how can I get the hidden control's value (Hello
world) in code behind?
BTW, I can get it in clicent by:
var MDValue = window.opener.d ocument.getElem entById("MD").v alue;
I know I can access via querystring, but what I need is:
The page can only be opened in my way, never display information if
user input the link in the addressbar, then click "enter".
For the popup to be the information, the accepted way is to use the
querystring. A popup is nothing more than a page, and there is little you
can do to prevent the user from loading it manually.
Now, if you want to be tricky, you could always do a postback for your
button and then use something like RegisterStartup Script to inject the
showModelDialog function. This way you can store the field value in a
session variable and use this to verify they came from the correct place.
You can also check the Referer header field to make sure they came from your
page.
"Jack" <ls*****@gmail. com> wrote in message
news:11******** *************@z 14g2000cwz.goog legroups.com... I know I can access via querystring, but what I need is:
The page can only be opened in my way, never display information if
user input the link in the addressbar, then click "enter".
The 2 sites are different, Session doesn't work in this case.
I'm using javascript to control it,
if( window.opener == null )
// window.location = "xxxx";
but it isn't safe anyway.
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