Running client script before a postback initated by an asp button

[Charlie]

Hi:

when the user selects the save button (asp control) to intiate a postback, I
would like to pop up a javascript alert box to confirm if he really wants to
save. If he selects no from alert dialog, I would like to cancel the
postback. How do you do this?

Thanks,
Charlie

[Marshal Antony]

Charlie,

put this javascript function on the client side of your aspx page
<script>
function confirmSubmit() { var sure=confirm("A re you sure you wish to
continue?");
if (sure) return true ; else return false ; }</script>

and call it from the onclick event of your server control for Save say
BtnSave.
You can type it in the tag itself
onclick="return confirmSubmit() ;"
or
in the Page_Load
BtnSave.Attribu tes.Add("onclic k","return confirmSubmit() ;");

Regards,

Marshal Antony

http://dotnetmarshal.com


"Charlie@CB FC" <ch*****@comcas t.net> wrote in message
news:OI******** ******@TK2MSFTN GP12.phx.gbl...

Hi:

when the user selects the save button (asp control) to intiate a postback, I would like to pop up a javascript alert box to confirm if he really wants to save. If he selects no from alert dialog, I would like to cancel the
postback. How do you do this?

Thanks,
Charlie

[Charlie]

Thanks! That worked well. However, I was only able to make it work using
add.attributes in server code. I tried adding "onclick="retur n
confirmSubmit() ;" in the HTML tag, but got errors. Is it possible to call a
client script function in HTML tag like an ordinary HTML control? HTML
Intellisense shows an on_click handler for asp button, but can't figure out
how to wire it up.

Charlie
"Marshal Antony" <ma***********@ yahoo.com> wrote in message
news:uc******** ********@tk2msf tngp13.phx.gbl. ..

Charlie,

put this javascript function on the client side of your aspx page
<script>
function confirmSubmit() { var sure=confirm("A re you sure you wish to
continue?");
if (sure) return true ; else return false ; }</script>

and call it from the onclick event of your server control for Save say BtnSave.
You can type it in the tag itself
onclick="return confirmSubmit() ;"
or
in the Page_Load
BtnSave.Attribu tes.Add("onclic k","return confirmSubmit() ;");

Regards,

Marshal Antony

http://dotnetmarshal.com


"Charlie@CB FC" <ch*****@comcas t.net> wrote in message
news:OI******** ******@TK2MSFTN GP12.phx.gbl...

> Hi:
>
> when the user selects the save button (asp control) to intiate a

postback, I

> would like to pop up a javascript alert box to confirm if he really

wants to

> save. If he selects no from alert dialog, I would like to cancel the
> postback. How do you do this?
>
> Thanks,
> Charlie
>
>

[Marshal Antony]

If you make a regular INPUT button (HTML control) and make it
RUNAT="SERVER" you can put that
javascript function call in the tag itself for the event you want.But this
may not be the case with Server controls.
For eg : Imagebutton's OnClick event is meant for the Server side event
handling.
There might be exceptions which I am not sure.
Hope this helps.
Regards
Marshal Antony
http://dotnetmarshal.com

"Charlie@CB FC" <ch*****@comcas t.net> wrote in message
news:eC******** ******@TK2MSFTN GP10.phx.gbl...

Thanks! That worked well. However, I was only able to make it work using add.attributes in server code. I tried adding "onclick="retur n
confirmSubmit() ;" in the HTML tag, but got errors. Is it possible to call a client script function in HTML tag like an ordinary HTML control? HTML
Intellisense shows an on_click handler for asp button, but can't figure out how to wire it up.

Charlie
"Marshal Antony" <ma***********@ yahoo.com> wrote in message
news:uc******** ********@tk2msf tngp13.phx.gbl. ..

Charlie,

put this javascript function on the client side of your aspx page <script>
function confirmSubmit() { var sure=confirm("A re you sure you wish to continue?");
if (sure) return true ; else return false ; }</script>

and call it from the onclick event of your server control for Save

say

BtnSave.
You can type it in the tag itself
onclick="return confirmSubmit() ;"
or
in the Page_Load
BtnSave.Attribu tes.Add("onclic k","return confirmSubmit() ;");

Regards,

Marshal Antony

http://dotnetmarshal.com


"Charlie@CB FC" <ch*****@comcas t.net> wrote in message
news:OI******** ******@TK2MSFTN GP12.phx.gbl...

> Hi:
>
> when the user selects the save button (asp control) to intiate a

postback, I

> would like to pop up a javascript alert box to confirm if he really wants to

> save. If he selects no from alert dialog, I would like to cancel

the > postback. How do you do this?
>
> Thanks,
> Charlie
>
>