Passing values between pages

zion

Hello,

In my Aspx.cs page in Page_load event I have for example:
String x;
x = "10";
How can I use the x value in a javascript function in the Aspx page?

thanks

Sep 23 '07 #1

Subscribe Reply

2206

Smithers

In page_load you can place the value of x into a hidden field. IIRC, you can
add the "runat=serv er" attribute to a plain 'ole html hidden field. Doing
this makes it accessible to your C# code behind.

-HTH

"zion" <zi**@msn.comwr ote in message
news:O4******** ******@TK2MSFTN GP04.phx.gbl...

Hello,

In my Aspx.cs page in Page_load event I have for example:
String x;
x = "10";
How can I use the x value in a javascript function in the Aspx page?

thanks

Sep 23 '07 #2

Alberto Poblacion

"zion" <zi**@msn.comwr ote in message
news:O4******** ******@TK2MSFTN GP04.phx.gbl...

In my Aspx.cs page in Page_load event I have for example:
String x;
x = "10";
How can I use the x value in a javascript function in the Aspx page?

One way to do it is to write <%= x %inside your javascript code in the
aspx page in the place where you want to access x. Note that this will only
work if x is a public field or method inside your class, so it can't be a
local variable of the Page_Load method.

Another way is to build the javascript code inside your server code. You
can then concatenate into the code the value of any variables that you want,
such as the local variable x, and then you send this javascript into the
page by means of any of the methods provided for this purpose, such as
ClientScript.Re gisterClientScr iptBlock.

Sep 23 '07 #3

Smithers

To clarify...

Doing this ["runat=serv er"] makes it [your hidden html field] accessible to
your C# code behind.

In your code behind you'd then write the value of x to the hidden field.

Then the page gets rendered down to the browser where the hidden field has
the value of x.

You can read and write the value of the hidden field via JavaScript in the
client/browser.

Then, on postback, the C# codebehind can read the value of the hidden field
to see what the new value is.

-HTH..

-S

"Smithers" <A@B.comwrote in message
news:%2******** *******@TK2MSFT NGP02.phx.gbl.. .

In page_load you can place the value of x into a hidden field. IIRC, you
can add the "runat=serv er" attribute to a plain 'ole html hidden field.
Doing this makes it accessible to your C# code behind.

-HTH

"zion" <zi**@msn.comwr ote in message
news:O4******** ******@TK2MSFTN GP04.phx.gbl...
>Hello,

In my Aspx.cs page in Page_load event I have for example:
String x;
x = "10";
How can I use the x value in a javascript function in the Aspx page?

thanks

Sep 23 '07 #4

Michael S

"Alberto Poblacion" <ea************ *************** ***@poblacion.o rgwrote
in message news:%2******** ********@TK2MSF TNGP03.phx.gbl. ..

"zion" <zi**@msn.comwr ote in message
news:O4******** ******@TK2MSFTN GP04.phx.gbl...

Note that this will only work if x is a public field or method inside your
class

I say x should be a protected field, not public.

- Michael Starberg

Sep 25 '07 #5

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