PRB JavaScript in ASP with Request.Form
Please help,
I'm having a problem with JavaScript in ASP, where the ASP page crashes when
I try to determine if data was posted from a FORM or through a QueryString.
Where, if the data came through via a FORM, I want to use it 1st, but if not,
to then try using it from the QueryString. Basically, the problem boils down
to using "toString() " on Request.Form("N AME") and Request.QuerySt ring("NAME")
as such:
Post to this page as: TST.asp?STATE=T EST
<%@ Language=JavaSc ript %>
<%
Response.AddHea der("Pragma", "No-Cache");
%>
<%
var oThis = Request.Form("S TATE");
var csResults;
if ((oThis == null) || (typeof(oThis) == "undefined" ))
{
csResults = "NULL";
}
else
{
csResults = oThis.toString( ); // ASP Crashes here. Why?!??!
}
%>
<html>
<%=csResults% >
</html>
That code crashes at the "toString() " call, which should not be. JavaScript
says all "Object" types have "toString" in them, but both
Request.Form("N AME") and Request.QuerySt ring("NAME") do not seem to have them.
What can be done?
5  5905 
=?Utf-8?B?QVRT?= wrote on 21 mrt 2007 in
microsoft.publi c.inetserver.as p.general:
<%
var oThis = Request.Form("S TATE");
var csResults;
if ((oThis == null) || (typeof(oThis) == "undefined" ))
{
csResults = "NULL";
}
else
{
csResults = oThis.toString( ); // ASP Crashes here. Why?!??!
}
%>
<html>
<%=csResults% >
</html>
The result of Request.Form() is always a string,
and if not existing can be represented by an empty string. So:
<%@ Language=JavaSc ript %>
<%
var csResults = Request.Form("s tate");
if (csResults == "") csResults = "NULL";
%>
<%=csResults% >
should meet your requirements, methinks.
--
Evertjan.
The Netherlands.
(Please change the x'es to dots in my emailaddress)
Thanks for the reply, but it is not working.
When I try this:
<%@ Language=JavaSc ript %>
<%
Response.AddHea der("Pragma", "No-Cache");
%>
<%
var csTST = " ==>" + Request.Form("S TATE") + "<==";
%>
<html>
<%=csTST%>
</html>
I get this:
==>undefinded<= =
Strangely, if I do this:
var csTST = Request.Form("S TATE") ;
..
..
<%=csTST%>
I get a nice blank.
The issue is that the ASP/JavaScript is not returning a string for
Request.Form("S TATE"). In fact, using "typeof(Request .Form("STATE")) " returns
"object". Is there any kind of CStr function available like in VB? By the
way, I do not want to switch to VBScript.
=?Utf-8?B?QVRT?= wrote on 21 mrt 2007 in
microsoft.publi c.inetserver.as p.general:
Thanks for the reply, but it is not working.
When I try this:
<%@ Language=JavaSc ript %>
<%
Response.AddHea der("Pragma", "No-Cache");
%>
<%
var csTST = " ==>" + Request.Form("S TATE") + "<==";
%>
<html>
<%=csTST%>
</html>
I get this:
==>undefinded<= =
Strangely, if I do this:
var csTST = Request.Form("S TATE") ;
.
.
<%=csTST%>
I get a nice blank.
You are right, but please always quote on usenet, this is not email.
Try:
<%@ Language=JavaSc ript %>
<%
var csResults = Request.Form("s tate");
if (''+csResults == 'undefined') csResults = 'NULL';
if (csResults == '') csResults = 'EMPTY';
%>
<% = csResults %>
--
Evertjan.
The Netherlands.
(Please change the x'es to dots in my emailaddress)
Thanks Evertjan for helping, but I found the problem.
With Request.Form and Request.QuerySt ring with JavaScript, one needs to use
".Item" to make it return the string or undefined/null object.
Example:
var csTST = Request.Form("S TATE").Item;
=?Utf-8?B?QVRT?= wrote on 22 mrt 2007 in
microsoft.publi c.inetserver.as p.general:
Thanks Evertjan for helping, but I found the problem.
With Request.Form and Request.QuerySt ring with JavaScript, one needs
to use ".Item" to make it return the string or undefined/null object.
Example:
var csTST = Request.Form("S TATE").Item;
Well done!
--
Evertjan.
The Netherlands.
(Please change the x'es to dots in my emailaddress) This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics | |
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