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Error: document.FormName.FieldName is null or not an object. What the..?!

Posted on 2003-11-19
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Last Modified: 2008-02-01
Hi,
   I have a little form that has 3 textboxes and one textarea. I have previously run a query in ColdFusion to get the data that will populate these text boxes. When the form loads initially, I want the first record from the query to be displayed in the text boxes. With this form there are also 'left' and 'right' buttons to be used to navigate through the record set. There is also an update button so users can update the records. To make the data available in Javascript I output each element to a different array. There is no problem with any of this part of the form. However, when I try to set the values of each text box I get the following  error:  "document.FormName.FieldName is null or not an object. " Where FormName is the name of the form and FieldName is the name of the specific textbox. for example:

document.UpdateUserForm.EditFirstName.value = FirstNameArray[CurrentCount];
document.UpdateUserForm.EditLastName.value = LastNameArray[CurrentCount];
etc...

but this returns the error. So is there a problem with how I am referencing this? Or does it have to do with the form not being 'submitted' initially? Or something else? Thanks for your help!
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Question by:Roentgen
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2 Comments
 
LVL 25

Accepted Solution

by:
devic earned 400 total points
ID: 9783665
hi Roentgen,

move this:
document.UpdateUserForm.EditFirstName.value = FirstNameArray[CurrentCount];
document.UpdateUserForm.EditLastName.value = LastNameArray[CurrentCount];

after </form>

OR

make function and call it with onload event:
===============================
<body onload=makedefaults();>
<script>
function makedefaults()
{
    document.UpdateUserForm.EditFirstName.value = FirstNameArray[CurrentCount];
    document.UpdateUserForm.EditLastName.value = LastNameArray[CurrentCount];
}
</script>
0
 
LVL 1

Author Comment

by:Roentgen
ID: 9787378
Well, that did it. Thanks! I'm sure that was an easy 100 points. :)
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