"Tim_Mac" <tim.mackey@community.nospam> wrote in message
news:Osa2jm4yGHA.2208@TK2MSFTNGP03.phx.gbl...
> this is a re-post of an earlier message. i'm posting it under my MSDN
> alias for a better chance of reply :)
>
> when you press return in a multiline textbox, you expect to insert a
> newline. However, if you set the Form.DefaultButton property, whatever
> javascript code is employed by Asp.Net to handle this functionality
> intercepts the key press and submits the form, when using Firefox. This
> is a potentially serious problem and certainly a show-stopper for me in
> terms of using this very desirable feature. is there an explanation or
> work-around?
>
> thanks
> tim
>

"Walter Wang [MSFT]" <wawang@online.microsoft.com> wrote in message
news:m$epDRBzGHA.4464@TK2MSFTNGXA01.phx.gbl...
> Hi Tim,
>
> I understand your concerns about the browser compatibility issues in
> ASP.NET 2.0.
>
> For this particular issue, the reason is because javascript generated by
> ASP.NET 2.0 has some IE only notation: event.srcElement is not availabe in
> FireFox (use event.target instead):
>
> function WebForm_FireDefaultButton(event, target) {
> if (!__defaultFired && event.keyCode == 13 && !(event.srcElement &&
> (event.srcElement.tagName.toLowerCase() == "textarea"))) {
> var defaultButton;
> if (__nonMSDOMBrowser) {
> defaultButton = document.getElementById(target);
> }
> else {
> defaultButton = document.all[target];
> }
> if (defaultButton && typeof(defaultButton.click) !=
> "undefined") {
> __defaultFired = true;
> defaultButton.click();
> event.cancelBubble = true;
> if (event.stopPropagation) event.stopPropagation();
> return false;
> }
> }
> return true;
> }
>
> If we change the first 2 lines into:
>
> function WebForm_FireDefaultButton(event, target) {
> var element = event.target || event.srcElement;
> if (!__defaultFired && event.keyCode == 13 && !(element &&
> (element.tagName.toLowerCase() == "textarea"))) {
>
> Then it will work for both IE and FireFox.
>
> Actually ASP.NET team is already planning to improve browser compatibility
> in future version. You can submit your feedback at following site:
> http://connect.microsoft.com/Main/content/content.aspx?ContentID=2220
>
>
> Sincerely,
> Walter Wang (wawang@online.microsoft.com, remove 'online.')
> Microsoft Online Community Support
>
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"Walter Wang [MSFT]" <wawang@online.microsoft.com> wrote in message
news:$uKeKqKzGHA.4616@TK2MSFTNGXA01.phx.gbl...
> Hi Tim,
>
> A function in javascript can be redefined; A possible but *NOT* supported
> workaround is to put the modified version of the function in a javascript
> file and register it in your WebForm:
>
> protected void Page_Load(object sender, EventArgs e)
> {
> ClientScript.RegisterClientScriptInclude("js1", "JScript.js");
> }
>
> For a simplest test page, this works. I'm not sure whether or not it works
> for your page. Also, this workaround is dependent on specific version of
> ASP.NET since we're using the javascript function from a specific version.
>
>
> Regards,
> Walter Wang (wawang@online.microsoft.com, remove 'online.')
> Microsoft Online Community Support
>
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