populate textbox onload 1

jagprg · Jun 20, 2005

Hi,

I have text box in a form which I want populate when the form loads. I am using <html:text> tags for text boxes, I tried the following but dosent seem to work. any ideas thanks in advance.

Code:

  <script language="JavaScript">
    setCode()
    {
        if(this.form.inputSIC.value == "")
        {
            alert("inside if");
            this.form.inputSIC.value = 100;
            this.form.inputName.setfocus();
        }
    }

</script>



<body onload="setCode()">......
<html:text property="inputSIC" size='10'...

BabyJeffy · Jun 20, 2005

Drop the word function before your function definition at the very top:

Code:

function setCode()

Cheers,
Jeff

jagprg · Jun 20, 2005

Hi Jeff,

thanks for the reply, I get this error

this.form.inputSIC is null or not an object.

is there anything that I should do?

BabyJeffy · Jun 20, 2005

Well... most likely it's having trouble with your use of the form. Try changing your code to use the following:

Code:

var myInput = document.forms[0].elements['inputSIC'];
if(myInput.value == "") {
  myInput.value = 100;
  myInput.setfocus();
}

This assumes that there is a form on the page, and that it is the first form (if there are multiple) and that it contains an element named 'inputSIC'. You would normally add some error checking code before you moved this to production

If it gives the same error, use 'view source' in the browser and check what actual HTML (and Javascript I guess) you are seeing on the page. It may be that the form tag is not closed, is missing etc.

Cheers,
Jeff

jagprg · Jun 20, 2005

Thanks Jeff,

It did work, now what would I need to pass so as to include the script in an external file .js file

thanks

BabyJeffy · Jun 20, 2005

Cut all the lines contained within the <script>...</script> tags and paste them into a fresh file (save it as yourfilename.js -- just a plain text file with a .js extension).

Get rid of the (now defunct) <script>...</script> tags and replace them with this one:

Code:

<script type="text/javascript" src="yourfilename.js"></script>

If you move the .js file to another directory, remember to reference it relative to the HTML file.

Hope that makes sense [smile]

Jeff

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populate textbox onload 1

jagprg

Programmer

BabyJeffy

Programmer

jagprg

Programmer

BabyJeffy

Programmer

jagprg

Programmer

BabyJeffy

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