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Javascript: Update textfield with button

Posted on 2010-08-30
11
225 Views
Last Modified: 2012-10-11
Good morning.  Using PHP and Javascript I am looking to update two text fields with a single button click.

The text fields are a Start and End date
The button is hardcoded for YearToDate information.

Here is my PHP for the button
echo "<input type='button' onclick='selectytd()' value='Select YTD' />";

Here is my Javascript for the function:
function selectytd()
{
var xmlHttp = ajax();
      
      xmlHttp.onreadystatechange=function()
    {
            if(xmlHttp.readyState==4)
            {
                  document.getElementById("graph").innerHTML = xmlHttp.responseText;
            }
    };
      xmlHttp.open("GET","graphcomp.php?&start=01/01/2010&end=&"+currentdatejf(),true);
      document.getElementById("graph").innerHTML = "Loading...";
      xmlHttp.send(null);      

}

function currentdatejf()
{
      var currentTime = new Date();
var month = currentTime.getMonth() + 1;
var day = currentTime.getDate();
var year = currentTime.getFullYear();
return month + "/" + day + "/" + year;

}

Could anyone assist with this?

0
Comment
Question by:nm67304
  • 6
  • 5
11 Comments
 
LVL 51

Expert Comment

by:HainKurt
ID: 33557930
I could not get what you mean but in this function you can change the values

function selectytd() {
  document.getElementById("txt1").value="Hain";
  document.getElementById("txt2").value="Kurt";
...
0
 
LVL 51

Assisted Solution

by:HainKurt
HainKurt earned 500 total points
ID: 33557961
I think you want this
<input type='button' onclick='selectytd()' value='Select YTD' />



<script>

function selectytd() {

  var xmlHttp = ajax();

  xmlHttp.onreadystatechange=function() {

    if(xmlHttp.readyState==4) {

      document.getElementById("graph").innerHTML = xmlHttp.responseText;

    }

  };

  xmlHttp.open("GET","graphcomp.php?&start=" + currentdateStart() +"&end=&" + currentdateEnd(),true);

  document.getElementById("graph").innerHTML = "Loading...";

  xmlHttp.send(null);      

}



function currentdateEnd() {

  var currentTime = new Date();

  var month = currentTime.getMonth() + 1;

  var day = currentTime.getDate();

  var year = currentTime.getFullYear();

  return month + "/" + day + "/" + year;

}



function currentdateStart() {

  var currentTime = new Date();

  var month = 1;

  var day = 1;

  var year = currentTime.getFullYear();

  return month + "/" + day + "/" + year;

}

alert(currentdateStart());

</script>

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0
 

Author Comment

by:nm67304
ID: 33558153
This looks like it would help
But now I am getting an Error on Page.

0
 
LVL 51

Expert Comment

by:HainKurt
ID: 33558229
what error? on which line?
I did not add anything to cause any error ;)
0
 

Author Comment

by:nm67304
ID: 33558311
Ok I think if fixed the error but it still doesnt update the two text fields, start and end
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LVL 51

Expert Comment

by:HainKurt
ID: 33558437
"still doesnt update the two text fields, start and end"

I dont see any code for those two text and I dont see how your code will udate those... do you miss any code?
0
 

Author Comment

by:nm67304
ID: 33558556
To help you, there are two fields i want the button to update...A Start field and End field, both text fields.
When you click SelectYTD I want it to populate those two text fields with the Start date as 01/01/2010 and the end field with whatever the current date is.

The reason for doing this is because this selectytd button will refresh a portion of the page with information...the date range for that information would pull from whatever is displayed in those two text boxes.

<table><tbody><tr><td>Start</td><td><input type='text' id='start' value='<?php echo date("m/d/Y");?>'/></td><td><a href="javascript:cal1.init('start',360,300);" id="cal1">MM/DD/YYYY</a></td></tr><tr><td>End</td><td><input type='text' id='end' value='<?php echo date("m/d/Y");?>'/></td><td><a href="javascript:cal1.init('end',360,300);" id="cal1">MM/DD/YYYY</a></td></tr></tbody></table><br/><input type='button' onclick='refresh()' value='Refresh' />
0
 

Author Comment

by:nm67304
ID: 33558598
Here is the snippit
<table><tbody><tr><td>Start</td><td><input type='text' id='start' value='<?php echo date("m/d/Y");?>'/></td><td><a href="javascript:cal1.init('start',360,300);" id="cal1">MM/DD/YYYY</a></td></tr><tr><td>End</td><td><input type='text' id='end' value='<?php echo date("m/d/Y");?>'/></td><td><a href="javascript:cal1.init('end',360,300);" id="cal1">MM/DD/YYYY</a></td></tr></tbody></table><br/><input type='button' onclick='refresh()' value='Refresh' />

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0
 

Author Comment

by:nm67304
ID: 33559108
Any udpate?
0
 
LVL 51

Accepted Solution

by:
HainKurt earned 500 total points
ID: 33560608
us this function instead in the solution provided @ 33557961
function selectytd() {

  var dtStart = currentdateStart();

  var dtEnd = currentdateEnd();

  document.getElementById("start").value=dtStart;

  document.getElementById("end").value=dtEnd;

  var xmlHttp = ajax();

  xmlHttp.onreadystatechange=function() {

    if(xmlHttp.readyState==4) {

      document.getElementById("graph").innerHTML = xmlHttp.responseText;

    }

  };

  xmlHttp.open("GET","graphcomp.php?&start=" + dtStart +"&end=&" + dtEnd,true);

  document.getElementById("graph").innerHTML = "Loading...";

  xmlHttp.send(null);      

}

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0
 

Author Comment

by:nm67304
ID: 33561078
That works, thanks.

It answered my posted question.
I posted it because i THOUGHT this would fix my main issue, but it didnt lol.  Back to the drawing board.

Thanks though, this cleans it up
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