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javascript error 'document.all.CreateMeeting.style' is null or not an object
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jfrankland
Posts: 89
Joined: 5/5/2004
From: Port Saint Lucie, Florida
Status: offline
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javascript error 'document.all.CreateMeeting.style' is ... - 10/24/2006 13:24:50
Hello:
I have a form that reads a database and if no records exist it displays a message and I have a button encoded in the fp_sNoRecords to display a button that turns on a style that is initially hidden. I want to eliminate the error 'document.all.CreateMeeting.style' is null or not an object' if it is indeed null in my javascript function. Below is my code:
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
<title>Activity_Review_Step_Id</title>
<script language="Javascript">
function ShowCreateMeeting()
{
if (document.all.CreateMeeting.style.value==null){
then exit function
} else {
document.all.CreateMeeting.style.visibility="visible";
document.all.CreateMeetingButton.style.visibility="visible";
document.all.DisplayMeeting.style.visibility="hidden";
}
}
</script>
</head>
<body bgcolor="#CCCCCC" style="font-family: Arial; font-size: 10pt">
<form method="POST" action="--WEBBOT-SELF--" name="form1" style="width: 500">
<!--#include file="_fpclass/fpdblib.inc"-->
<% if 0 then %>
<SCRIPT Language="JavaScript">
document.write("<div style='background: yellow; color: black;'>The Database Results component on this page is unable to display database content. The page must have a filename ending in '.asp', and the web must be hosted on a server that supports Active Server Pages.</div>");
</SCRIPT>
<% end if %>
<%
fp_sQry="SELECT * FROM jafvMeetings WHERE (Project_Id = ::Project_Id:: AND Review_Step_Id = ::Review_Step_Id::)"
fp_sDefault="Project_Id=0&Review_Step_Id=0"
fp_sNoRecords="<p align=""center""><tr><td colspan=20 align=""center"" width=""100%""><font face=""Arial"" size=""2"" color=""#FF0000""><b><span style=""background-color: #FFFF66"">THIS PROJECT HAS NOT BEEN SUBMITTED.<BR>YOU MUST SUBMIT THIS PROJECT BEFORE MEETINGS CAN BE SCHEDULED.<BR><BR>PLEASE GO TO PROJECTS IN THE EDIT APPLICATONS MODULE TO SUBMIT THIS PROJECT.<BR> </td></tr></span></B></font>"
fp_sDataConn="GMTEST"
fp_iMaxRecords=0
fp_iCommandType=1
fp_iPageSize=0
fp_fTableFormat=False
fp_fMenuFormat=False
fp_sMenuChoice=""
fp_sMenuValue=""
fp_sColTypes="&Review_Id=20&Project_Id=20&Review_Step_Id=20&Review Date=20&MeetingId=20&"
fp_iDisplayCols=4
fp_fCustomQuery=False
BOTID=0
fp_iRegion=BOTID
%>
<!--#include file="_fpclass/fpdbrgn1.inc"-->
<table border="0" cellspacing="1" id="CreateMeeting" style="position: absolute; left: 5px; top: 9px; height:142px; visibility:hidden">
<tr>
<td>
<b>
<table border="1" cellspacing="1" bgcolor="#336699" width="473" bordercolor="#0000FF" id="table2">
<tr>
<td width="465" align="center" style="color: #FFFFFF; background-color: #6699FF">
<font color="#FFFFFF"><b>CREATE ACTIVITY REVIEW MEETING</b></font></td>
</tr>
</table>
</td>
</tr>
<tr>
<td>
<p align="left"><input type="text" id="Meeting_Id" name="Meeting_Id" size="1" value="<%=FP_FieldVal(fp_rs,"MeetingId")%>" style="visibility: hidden"><input type="text" name="Project_Id1" size="1" value="<%=Request.form("Project_Id")%>" style="visibility: hidden"><input type="text" name="Review_Step_Id1" size="1" value="<%=Request.form("Review_Step_Id")%>" style="visibility: hidden"></td>
</tr>
<tr>
<td>
<p align="left"><b><font size="2">System Date Recommedation:
</font></b><input name="Meeting_Date_Scheduled" size="20" value="<%=FP_FieldHTML(fp_rs,"Review_Date")%>" style="background-color: #FFCC66; text-align:center"><br>
<i><font size="1" color="#0000FF">(You may override and change to any date
you wish)</font></i></td>
</tr>
<tr>
<td> </td>
</tr>
<tr>
<td> </td>
</tr>
</table>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p align="center">
<input type="submit" value="Create Meeting" name="B7" style="position: absolute; visibility: hidden; float:left; left:173; top:141" id="CreateMeetingButton"></p>
</p>
</p>
</form>
<!--#include file="_fpclass/fpdbrgn2.inc"-->
Any help would be appreciated. Thank you.
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rdouglass
Posts: 9280
From: Biddeford, ME USA
Status: offline
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RE: javascript error 'document.all.CreateMeeting.style'... - 10/24/2006 14:11:25
Does document.all work at all for you? It doesn't seem to work as expected anymore in most modern browsers. I generally will use:
document.getElementById('elementName').style
to get that. You can test that it supports document.all with a simple script like so:
if (document.all) {
alert('document.all works.');
}
I generally hide and show elements using the 'display' property like so:
document.getElementById('elementName').style.visibility = "hidden"
That help any?
_____________________________
Don't take you're eye off your final destination.
ASP Checkbox Function Tutorial.
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jfrankland
Posts: 89
Joined: 5/5/2004
From: Port Saint Lucie, Florida
Status: offline
|
RE: javascript error 'document.all.CreateMeeting.style'... - 10/24/2006 14:25:25
Actually yes...I am using the document.all.CreateMeeting.style and everything displays fine either hidden or visible. I'm not too concerned at the moment with cross browser support because this is strickly a inhouse app and we control what browsers everyone will use. I just used your document.getElementById('elementName').style and it worked fine as well, however in the line for no records I have
<tr><td colspan=20 align=""LEFT"" width=""100%""><font face=""Arial"" size=""2"" color=""#FFFF00""><b><span style=""background-color: #0033FF"">No Meetings Exist.<BR><BR><BR><img border=""0"" src=""http://brutus/gis/devstat/images/AddMeetingButton.gif"" Onclick=ShowCreateMeeting() width=""93"" height=""27""></td></tr></span></B></font>"
I have a call for my javascript function in the line and it works fine if records exist. However if no records exists and I click the icon I get the javascript error 'document.all.CreateMeeting.style' is null or not an object message.
Thank you,
< Message edited by jfrankland -- 10/24/2006 14:35:19 >
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rdouglass
Posts: 9280
From: Biddeford, ME USA
Status: offline
|
RE: javascript error 'document.all.CreateMeeting.style'... - 10/24/2006 14:49:17
quote:
<script language="Javascript">
function ShowCreateMeeting()
{
if (document.all.CreateMeeting.style.value==null){
then exit function
} else {
document.all.CreateMeeting.style.visibility="visible";
document.all.CreateMeetingButton.style.visibility="visible";
document.all.DisplayMeeting.style.visibility="hidden";
}
}
</script>
Is it because when there are no records the item "CreateMeeting" doesn't exist?
If you don't want it to do anything if Null, you could always try the JavaScript 'try' like this:
...
try {document.all.CreateMeeting.style.visibility="visible"; }
try {document.all.CreateMeetingButton.style.visibility="visible"; }
try {document.all.DisplayMeeting.style.visibility="hidden"; }
...
_____________________________
Don't take you're eye off your final destination.
ASP Checkbox Function Tutorial.
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jfrankland
Posts: 89
Joined: 5/5/2004
From: Port Saint Lucie, Florida
Status: offline
|
RE: javascript error 'document.all.CreateMeeting.style'... - 10/24/2006 15:09:13
Nope still getting an error. Now I am getting
Line: 11
Char: 1
Error: Expected 'catch'
Code: 0
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rdouglass
Posts: 9280
From: Biddeford, ME USA
Status: offline
|
RE: javascript error 'document.all.CreateMeeting.style'... - 10/24/2006 15:55:07
quote:
...
try {document.all.CreateMeeting.style.visibility="visible"; }
try {document.all.CreateMeetingButton.style.visibility="visible"; }
try {document.all.DisplayMeeting.style.visibility="hidden"; }
...
Sorry....this any better?
try {document.all.CreateMeeting.style.visibility="visible"; } catch(err) {}
try {document.all.CreateMeetingButton.style.visibility="visible"; } catch(err) {}
try {document.all.DisplayMeeting.style.visibility="hidden"; } catch(err) {}
_____________________________
Don't take you're eye off your final destination.
ASP Checkbox Function Tutorial.
| |
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|
jfrankland
Posts: 89
Joined: 5/5/2004
From: Port Saint Lucie, Florida
Status: offline
|
RE: javascript error 'document.all.CreateMeeting.style'... - 10/24/2006 15:59:30
YOU ARE THE BEST! Thanks again...I can't tell you how many "pinches" you've helped me get out of!
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