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Old January 9th, 2007, 06:12 PM
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Default Disable a button

I have a Save button on a web page.
I want to disable the button when clicked, so that the user does not click it more than once, as the serevr side code is being processed.
i disabled the button by calling a javascript function -
    btnSave.Attributes.Add("onClick","return buttonDisabled();") ;

In the Javascript file i have -
    function disableButton()
    {
        var btnSave = document.getElementById('btnSave') ;
        btnSave.disabled = true ;
        return true ;
    }

since the button gets disabled my server side code(in C#) does not get executed.
thanks a lot for any kind of help

 
Old January 9th, 2007, 08:15 PM
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Your code needs to be something like this:

if(typeof(Page_ClientValidate) == 'function'){
if(Page_ClientValidate() == false){return false;}}
this.value = 'Please Wait...';
Page.GetPostBackEventReference(this.btnSubmit));

Create a string, in code, with the above javascript code then call
btnSave.Attributes.Add("onclick", [above string value])

hth

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I will only tell you how to do it, not do it for you.
Unless, of course, you want to hire me to do work for you.

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Old January 11th, 2007, 03:04 AM
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disable the button from server side in btnSave_Click -> btnSave.Enable=false;

Regards,
Rashida Jabeen
http://www.akaas.net
 
Old January 11th, 2007, 09:40 AM
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That wont work rashida because doing it that way would only disable the button AFTER the method it calls finished executing he needs it to be disabled WHILE the method is executing.

-------------------------
I will only tell you how to do it, not do it for you.
Unless, of course, you want to hire me to do work for you.

^^Thats my signature
 
Old January 11th, 2007, 03:19 PM
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Default

Quote:
quote:Originally posted by dparsons

if(typeof(Page_ClientValidate) == 'function'){
if(Page_ClientValidate() == false){return false;}}
this.value = 'Please Wait...';
Page.GetPostBackEventReference(this.btnSubmit));
There's a slight error in there. There is some .NET code in the javascript.

The important part is that you use
Code:
Page.GetPostBackEventReference(btnSubmit));
to generate the client side method that performs the postback.

The simplest implementation could look like this:
Code:
strClickJS = string.Format("this.disabled=true;{0}", Page.GetPostBackEventReference(this.btnSubmit));)
btnSave.Attributes.Add("onClick", strClickJS);
If you want to also take care of validation, then you can add in the validation part of the javascript from dparsons' post.

-Peter
 
Old January 12th, 2007, 03:34 AM
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Hi Parsons/Peter

How bout using the JS function below on button click, which will fullful the requirement:

function DisableButton(obj)
{
  document.getElementById(obj).disabled = true;
  __doPostBack("btnSubmit","");
}


Regards
Mike

Fortune favours the brave, so don't regret on missed oppurtunities.
 
Old January 12th, 2007, 09:38 AM
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Ahhh the beauty of programming, so many ways to accomplish the same task ^^

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I will only tell you how to do it, not do it for you.
Unless, of course, you want to hire me to do work for you.

^^Thats my signature





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