request.getParameter value passing null

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any suggestions...my "weatherState" value doesnt seem to be passing over:

1st jsp:

JSP Syntax (Toggle Plain Text)
<%
Vector theStates = WeatherDAO.getWeatherStates();
%>
 
 
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
 
</script>
 
<body>
 
 
 
 
<TR bgColor="#ffffff"><TD COLSPAN="2">
<TABLE CELLPADDING="3" CELLSPACING="2">
<TR><TD>
 
</FONT></CENTER><BR>
<BR>
<TABLE BORDER="0" CELLSPACING="5" CELLPADDING="5" WIDTH="100%">
<TR BGCOLOR="#C0C0C0" ><TD COLSPAN="2" ALIGN="CENTER"> <FONT SIZE=+3><B> Weather Services</B></FONT>
</TD></TR>
</TABLE>
<HR SIZE="3" NOSHADE>
<font size=+1>Choose a state and press continue</font><br>
<TR><TD> 
<center>
 
<form name="form1" method="POST" action="/JAABA/jsp/cpanel/cp-weatherFive.jsp">
 
<label for="weatherState">State:</label>
 
<select name="weatherState" >
 
<% for (int i=0; i< theStates.size(); i++) {  %>
 
<OPTION VALUE><%=theStates.elementAt(i)%></OPTION>
 
 
 
<% 
}
%>
<%
Vector theStates = WeatherDAO.getWeatherStates();
%>


<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>

</script>

<body>




<TR bgColor="#ffffff"><TD COLSPAN="2">
<TABLE CELLPADDING="3" CELLSPACING="2">
<TR><TD>

</FONT></CENTER><BR>
<BR>
<TABLE BORDER="0" CELLSPACING="5" CELLPADDING="5" WIDTH="100%">
<TR BGCOLOR="#C0C0C0" ><TD COLSPAN="2" ALIGN="CENTER"> <FONT SIZE=+3><B> Weather Services</B></FONT>
</TD></TR>
</TABLE>
<HR SIZE="3" NOSHADE>
<font size=+1>Choose a state and press continue</font><br>
<TR><TD> 
<center>

<form name="form1" method="POST" action="/JAABA/jsp/cpanel/cp-weatherFive.jsp">
  
<label for="weatherState">State:</label>

<select name="weatherState" >

<% for (int i=0; i< theStates.size(); i++) {  %>

<OPTION VALUE><%=theStates.elementAt(i)%></OPTION>



<% 
}
%>

2nd jsp:

JSP Syntax (Toggle Plain Text)
 
<%
System.out.println("error...: "+request.getParameter("weatherState"));
String sValue = request.getParameter("weatherState");
Vector theCities = WeatherDAO.getWeatherCities(sValue);
%>
 
 
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
 
 
 
<body>
 
 
 
 
<TR bgColor="#ffffff"><TD COLSPAN="2">
<TABLE CELLPADDING="3" CELLSPACING="2">
<TR><TD>
 
</FONT></CENTER><BR>
<BR>
<TABLE BORDER="0" CELLSPACING="5" CELLPADDING="5" WIDTH="100%">
<TR BGCOLOR="#C0C0C0" ><TD COLSPAN="2" ALIGN="CENTER"> <FONT SIZE=+3><B> Weather Services</B></FONT>
</TD></TR>
</TABLE>
<HR SIZE="3" NOSHADE>
<font size=+1>Select the State and City for which you would like to receive weather information.</font><br>
<TR><TD> 
<center>
 
 
<label for="weatherCity">City:</label>
 
<select name="weatherCity" > 
 
<% for (int i=0; i< theCities.size(); i++) {  %>
 
<OPTION VALUE=<%=theCities%>> <%=theCities.elementAt(i)%> </OPTION>
 
<% 
}
%>
<%
System.out.println("error...: "+request.getParameter("weatherState"));
String sValue = request.getParameter("weatherState");
Vector theCities = WeatherDAO.getWeatherCities(sValue);
%>


<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>



<body>




<TR bgColor="#ffffff"><TD COLSPAN="2">
<TABLE CELLPADDING="3" CELLSPACING="2">
<TR><TD>

</FONT></CENTER><BR>
<BR>
<TABLE BORDER="0" CELLSPACING="5" CELLPADDING="5" WIDTH="100%">
<TR BGCOLOR="#C0C0C0" ><TD COLSPAN="2" ALIGN="CENTER"> <FONT SIZE=+3><B> Weather Services</B></FONT>
</TD></TR>
</TABLE>
<HR SIZE="3" NOSHADE>
<font size=+1>Select the State and City for which you would like to receive weather information.</font><br>
<TR><TD> 
<center>


<label for="weatherCity">City:</label>

<select name="weatherCity" > 

<% for (int i=0; i< theCities.size(); i++) {  %>

<OPTION VALUE=<%=theCities%>> <%=theCities.elementAt(i)%> </OPTION>

<% 
}
%>

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mimsc

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Junior Poster in Training

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since Aug 2007

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Sep 12th, 2007

Re: request.getParameter value passing null

ha..no luck i guess

mimsc

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Junior Poster in Training

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since Aug 2007

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Sep 16th, 2007

Re: request.getParameter value passing null

Click to Expand / Collapse Quote originally posted by mimsc ...

JSP Syntax (Toggle Plain Text)
<select name="weatherState" >
<select name="weatherState" >

It could probably be because you need to specify id for the select element. Some browsers pass data based on id, others based on the name attribute. To be safe, it is a good practice to define the id and the name.

JSP Syntax (Toggle Plain Text)

<select id="weatherState" name="weatherState" >

aniseed

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Solved Threads: 7

Posting Whiz

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since Apr 2006

This thread is more than three months old

No one has posted to this discussion for at least three months. Please let old threads die and do not reply to them unless you feel you have something new and valuable to contribute that absolutely must be added to make the discussion complete. Otherwise, please start a new thread in this forum instead.

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