Access hidden values.

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I have a page in my application which is divided in to four frames (divs? iFrames?). I defined a hidden variable in the first frame the id of which is "fra1". I want to access this hidden variable in my main page in which we... (and it tails off here).

Posted 31-Mar-10 5:06am

Gagandhiman

Updated 31-Mar-10 5:16am

R. Giskard Reventlov

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Gregory Gadow · Answer 1 · 2010-03-31T05:43:00

If you want to access it through the code-behind, then

<asp:HiddenField ID="fra1" runat="server" Value="Foo"/>

can be accessed exactly like any other ASP control. You can even change the value on postbacks.

If you are using JavaScript, your best bet would be to use document.getElementById('elementId'). This is one of the basic JS methods, so there are lots of references on the web.