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Javascript form submit -- weird problem

Posted on 2011-02-18
4
259 Views
Last Modified: 2012-05-11
Hi ,
i am trying to submit a form using javascript on pressing EnterKey from a textbox.
-------------------------------
<input type="text" name="txtdate" id="txtdate" size="10px" onkeydown="javascript:txtdate_submit(event);" >

<input type="submit" name="btnsubmit" id="btnsubmit" value="Get Report">
--------------------------------
works fine if i use the alert message in javascript ....else if i comment alert("after") .. form doesnt get submitted as 'submit' button click.

Environment: ASP, JavaScript,HTML



----JavaScript---
function txtdate_submit(e)
{
	
if(e.keyCode==13) { 
  document.getElementById("btnsubmit").click();		
  alert("after");		
	}
}

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Question by:kishan66
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4 Comments
 
LVL 40

Expert Comment

by:gurvinder372
ID: 34929146
why do you want to click the submit button to submit form, you could have simply done this by
document.forms[0].submit(); \\replace line with 6

0
 

Author Comment

by:kishan66
ID: 34929290
Hi, gurvinder,

reason for using JavaScript..Button.click() ->  ASP page looks for the source of the form submit... Ex: whether its from "Submit button" or from some other source.

i also agree with you. i can always use different approaches .

But just curious to know  'Y'   does it fail in above mentioned condition . What does alert() message has to do with form submit. Does alert create some delay ...If Yes, is delay really required?

would appreciate if some one gives me better information.
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LVL 40

Accepted Solution

by:
gurvinder372 earned 500 total points
ID: 34929305
not sure, but it seems that when you capture the keycode, then unless you do return true, it returns fale by default, which cancels the enter key press
0
 
LVL 75

Expert Comment

by:Michel Plungjan
ID: 34929461
If you only have one text field and a submit you do not need to test the enter. Enter will submit

Also look into onkeyup and onkeypress
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