How to convert ResultSet's value to String
Dear JDC's
plz tell me how to convert ResultSet's value to String.
kashif
I want to read a whole array from a table into a String[]
and then send it to another servlet before I forward it all to anther servlet with request.setParameter.....
Any ideas how to solve it....that is how far I got so far:
rs=pgresult("select count (answer) from answers where qid="+idnum);
numberofquestions = rs.getInt("mynumber");
rs=pgresult("SELECT answer FROM answers WHERE qgroup="+qgroup);
allanswers = new String[numberofquestions];
allanswers = (String[])rs.getArray(1).getArray();
req.setParameter("allanswers",allanswers);
RequestDispatcher dispatcher = req.getRequestDispatcher("editanswers");
dispatcher.forward(req,res);
Tobi
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<option value="19:15:00">7 : 15 pm
<option value="19:30:00">7 : 30 pm
<option value="19:45:00">7 : 45 pm
<option value="20:00:00">8 : 00 pm
</select>
</td>
</tr>
</table>
<table class="log" cellpadding=3 cellspacing=0 border="0">
<% String strname="";
rs=st.executeQuery("select name from product");
if(rs.next())
strname=rs.getString(1);
%>
<tr>
<td align="left"><%=strname%></td>
<td></td>
<td>Quantity(in lacs):</td>
<td><input type="text" class="formfield" name="items2" onkeypress="if(event.keyCode >47 && event.keyCode < 58){event.returnValue = true;} else{event.returnValue = false;}"></td>
</tr>
<tr>
<td>Select Product Name :</td>
<td></td>
<td>
<select name="pname"><option>select</option>
<%
String username="";
rs=st.executeQuery("select name from product");
while(rs.next())
username = rs.getString(1);
%>
<option <%if(productId.equals(username)){%> <%}%>><%=username%></option>
<% } %>
</select>
</td>
</tr>
<%
int count=1;
rs=st.executeQuery("select max(auction_id) from auction1");
int num = Integer.parseInt(pageContext.findAttribute("num").toString());
out.println(num);
//for(count=1;count < num;count++)
//out.println(rs);
String name="";
rs=st.executeQuery("select name from product where name='"+username+"'");
//out.println(rs);
if(rs.next())
name=rs.getString(1);
if(name.equals(username))
{%>
<tr>
<td align="left"><%=name%></td>
<td>Quantity(in lacs):</td>
<td><input type="text" class="formfield" name="items2" onkeypress="if(event.keyCode > 47 && event.keyCode < 58){event.returnValue = true;} else{event.returnValue = false;}"></td>
</tr>
<%}
%>
</table>
<table cellpadding="5" align="center" bgcolor=#FFFFFF width="397">
<tr>
<td>
<input type="submit" value="Add more Items" onClick="add();">
</td>
<td width="115"align="right">
<input type="submit" value="Continue"onClick="return validate();" name="submit">
</td>
<td>
<input type="reset" value="Clear all fields" name="reset">
</td>
</tr>
</table>
</form>
</td>
<!-- End Main section -->
<td width="23%" valign="top" bgcolor="#EBEBEB" border="0">
<!--Begin right nav section-->
<jsp:include page="../include/rightbar2.jsp" />
<!-- End right nav section -->
</td>
<!-- Begin footer section -->
<jsp:include page="../footer/footer.jsp" />
<!-- End footer section -->It's highly recommended to use any business, logic and DB access tasks in a Servlet. JSP should be used only to display HTML forms/results.
<%@page language="java"%>
<%@page import="java.sql.*"%>
<%@page import="connect.connection"%>
<% String productId = request.getParameter("pname")==null? "": request.getParameter("pname"); String strQuantity=""; %>
<% Connection con1=null; connection conn1=null; con1=conn1.getconnection(); Statement st=null; ResultSet rs=null; st=con1.createStatement(); %>
<!--<script> function subject() { document.registration.action="buyerForm2.jsp"; //document.registration.submit(); } </script>-->
<HTML>
<HEAD>
<TITLE>Shree Cement : Register Buyer</TITLE>
<script language="javascript" src="../js/buyervalidate.js"></script>
</HEAD>
<body bgColor=3F7790 text=#000000 topMargin=12 border="0">
<!-- Begin header section -->
<jsp:include page="../header/header.jsp" />
<!-- End header section -->
<table width="800" align="center" border="0">
<tr>
<td bgcolor="#EBEBEB" width="135" valign="top"><!--Begin left nav section--> <jsp:include
page="../include/left-nav-main.jsp" /> <!-- End left nav section--></td>
<!--main section of pp Buyer-->
<td rowspan=7 valign=top width="58%" align="center">
<table>
<tr>
<td class="img">Registration Form</td>
<td width="60%"></td>
<td align="left" class="img1">Buyer</td>
</tr>
</table>
<form name="login" method="post">
<table cellpadding=3 class="pp">
<tr>
<td>Online bid date :</td>
<td colspan=3><select name="monthonline" class="formfield1" value="month">
<option value="Month">-Month-
<option value=1>January
<option value=2>February
<option value=3>March
<option value=4>April
<option value=5>May
<option value=6>June
<option value=7>July
<option value=8>August
<option value=9>September
<option value=10>October
<option value=11>November
<option value=12>December
</select></td>
<td colspan=3><select name="dateonline" class="formfield1" value="date">
<option value="Day">-Day-
<option value=1>1
<option value=2>2
<option value=3>3
<option value=4>4
<option value=5>5
<option value=6>6
<option value=7>7
<option value=8>8
<option value=9>9
<option value=10>10
<option value=11>11
<option value=12>12
<option value=13>13
<option value=14>14
<option value=15>15
<option value=16>16
<option value=17>17
<option value=18>18
<option value=19>19
<option value=20>20
<option value=21>21
<option value=22>22
<option value=23>23
<option value=24>24
<option value=25>25
<option value=26>26
<option value=27>27
<option value=28>28
<option value=29>29
<option value=30>30
<option value=31>31
</select></td>
<td><select name="yearonline" class="formfield1" value="year" align="left">
<option value="Year">-Year-
<option value=2003>2003
<option value=2004>2004
<option value=2005>2005
<option value=2006>2006
<option value=2007>2007
<option value=2008>2008
<option value=2009>2009
<option value=2010>2010
</select></td>
</tr>
<tr>
<td>Start time :</td>
<td colspan=3 width="296"><select name="starttime" class="formfield1" size=1>
<option selected value="08:00:00">8 : 00 am
<option value="08:15:00">8 : 15 am
<option value="08:30:00">8 : 30 am
<option value="08:45:00">8 : 45 am
<option value="09:00:00">9 : 00 am
<option value="09:15:00">9 : 15 am
<option value="09:30:00">9 : 30 am
<option value="09:45:00">9 : 45 am
<option value="10:00:00">10 : 00 am
<option value="10:15:00">10 : 15 am
<option value="10:30:00">10 : 30 am
<option value="10:45:00">10 : 45 am
<option value="11:00:00">11 : 00 am
<option value="11:15:00">11 : 15 am
<option value="11:30:00">11 : 30 am
<option value="11:45:00">11 : 45 am
<option value="12:00:00">12 : 00 pm
<option value="12:15:00">12 : 15 pm
<option value="12:30:00">12 : 30 pm
<option value="12:45:00">12 : 45 pm
<option value="13:00:00">1 : 00 pm
<option value="13:15:00">1 : 15 pm
<option value="13:30:00">1 : 30 pm
<option value="13:45:00">1 : 45 pm
<option value="14:00:00">2 : 00 pm
<option value="14:15:00">2 : 15 pm
<option value="14:30:00">2 : 30 pm
<option value="14:45:00">2 : 45 pm
<option value="15:00:00">3 : 00 pm
<option value="15:15:00">3 : 15 pm
<option value="15:30:00">3 : 30 pm
<option value="15:45:00">3 : 45 pm
<option value="16:00:00">4 : 00 pm
<option value="16:15:00">4 : 15 pm
<option value="16:30:00">4 : 30 pm
<option value="16:45:00">4 : 45 pm
<option value="17:00:00">5 : 00 pm
<option value="17:15:00">5 : 15 pm
<option value="17:30:00">5 : 30 pm
<option value="17:45:00">5 : 45 pm
<option value="18:00:00">6 : 00 pm
<option value="18:15:00">6 : 15 pm
<option value="18:30:00">6 : 30 pm
<option value="18:45:00">6 : 45 pm
<option value="19:00:00">7 : 00 pm
<option value="19:15:00">7 : 15 pm
<option value="19:30:00">7 : 30 pm
<option value="19:45:00">7 : 45 pm
<option value="20:00:00">8 : 00 pm
</select></td>
</tr>
<tr>
<td>End time :</td>
<td colspan=3 width="296"><select name="endtime" class="formfield1" size=1>
<option selected value="08:00:00">8 : 00 am
<option value="08:15:00">8 : 15 am
<option value="08:30:00">8 : 30 am
<option value="08:45:00">8 : 45 am
<option value="09:00:00">9 : 00 am
<option value="09:15:00">9 : 15 am
<option value="09:30:00">9 : 30 am
<option value="09:45:00">9 : 45 am
<option value="10:00:00">10 : 00 am
<option value="10:15:00">10 : 15 am
<option value="10:30:00">10 : 30 am
<option value="10:45:00">10 : 45 am
<option value="11:00:00">11 : 00 am
<option value="11:15:00">11 : 15 am
<option value="11:30:00">11 : 30 am
<option value="11:45:00">11 : 45 am
<option value="12:00:00">12 : 00 pm
<option value="12:15:00">12 : 15 pm
<option value="12:30:00">12 : 30 pm
<option value="12:45:00">12 : 45 pm
<option value="13:00:00">1 : 00 pm
<option value="13:15:00">1 : 15 pm
<option value="13:30:00">1 : 30 pm
<option value="13:45:00">1 : 45 pm
<option value="14:00:00">2 : 00 pm
<option value="14:15:00">2 : 15 pm
<option value="14:30:00">2 : 30 pm
<option value="14:45:00">2 : 45 pm
<option value="15:00:00">3 : 00 pm
<option value="15:15:00">3 : 15 pm
<option value="15:30:00">3 : 30 pm
<option value="15:45:00">3 : 45 pm
<option value="16:00:00">4 : 00 pm
<option value="16:15:00">4 : 15 pm
<option value="16:30:00">4 : 30 pm
<option value="16:45:00">4 : 45 pm
<option value="17:00:00">5 : 00 pm
<option value="17:15:00">5 : 15 pm
<option value="17:30:00">5 : 30 pm
<option value="17:45:00">5 : 45 pm
<option value="18:00:00">6 : 00 pm
<option value="18:15:00">6 : 15 pm
<option value="18:30:00">6 : 30 pm
<option value="18:45:00">6 : 45 pm
<option value="19:00:00">7 : 00 pm
<option value="19:15:00">7 : 15 pm
<option value="19:30:00">7 : 30 pm
<option value="19:45:00">7 : 45 pm
<option value="20:00:00">8 : 00 pm
</select></td>
</tr>
</table>
<table class="log" cellpadding=3 cellspacing=0 border="0">
<% String strname="";
rs=st.executeQuery("select name from product");
if(rs.next()) {
strname=rs.getString(1);
%>
<tr>
<td align="left"><%=strname%></td>
<td></td>
<td>Quantity(in lacs):</td>
<td><input type="text" class="formfield" name="items2"
onkeypress="if(event.keyCode >47 && event.keyCode < 58){event.returnValue = true;} else{event.returnValue = false;}"></td>
</tr>
<tr>
<td>Select Product Name :</td>
<td></td>
<td><select name="pname">
<option>--select--</option>
<%
String username="";
rs=st.executeQuery("select name from product");
while(rs.next()) { username = rs.getString(1); %>
<option>
<%if(productId.equals(username)){%>
<%}%>
<%=username%>
</option>
<% } %>
</select></td>
</tr>
<%
int count=1;
rs=st.executeQuery("select max(auction_id) from auction1");
int num = Integer.parseInt(pageContext.findAttribute("num").toString());
out.println(num);
//for(count=1;count < num;count++) //{ //out.println(rs); String name=""; rs=st.executeQuery("select name from product where name='"+username+"'"); //out.println(rs); if(rs.next()) { name=rs.getString(1); } //} if(name.equals(username)) {
%>
<tr>
<td align="left"><%=num%></td>
<td>Quantity(in lacs):</td>
<td><input type="text" class="formfield" name="items2"
onkeypress="if(event.keyCode > 47 && event.keyCode < 58){event.returnValue = true;} else{event.returnValue = false;}"></td>
</tr>
</table>
<table cellpadding="5" align="center" bgcolor=#FFFFFF width="397">
<tr>
<td><input type="submit" value="Add more Items" onClick="add();"></td>
<td width="115" align="right"><input type="submit" value="Continue" onClick="return validate();" name="submit">
</td>
<td><input type="reset" value="Clear all fields" name="reset"></td>
</tr>
</table>
</form>
</td>
<!-- End Main section -->
<td width="23%" valign="top" bgcolor="#EBEBEB" border="0"><!--Begin right nav section-->
<jsp:include page="../include/rightbar2.jsp" /> <!-- End right nav section --></td>
<!-- Begin footer section -->
<jsp:include page="../footer/footer.jsp" />
<!-- End footer section --> -
How to convert a datetime value to UTC (or GMT)
I have this problem.
The user should provide the following inputs:
- A date time value - i.e: 10 september 2006, 10:40 AM
- The world location to which that value refers - i.e.: Rome/Italy
I need as output, the UTC date time value:
- i.e: 10 september 2006, 8:40 AM
in this case it is two hours before because during summer time, the Italian timezone is GMT+2
And if the user enters:
- A date time value - i.e: 25 december 2006, 10:40 AM
- The world location to which that value refers - i.e.: Rome/Italy
The output should be: (UTC time)
- i.e: 25 december 2006, 9:40 AM
It only only one hour before because during winter, in italy the timezone is GMT+1
In few words I need that Java can do by itself all the calculations about the timezone and daylight saving around different places in the world, so that I can store in my DB the universal UTC time.
Can you suggest me some code or some good URLs?
Thanks in advanceI wrote this code, it works but I have still some issues.
GregorianCalendar abroad = new GregorianCalendar(TimeZone.getTimeZone("Asia/Tokyo"));
abroad.set(Calendar.YEAR, 2006);
abroad.set(Calendar.MONTH, 11);
abroad.set(Calendar.DATE, 25);
abroad.set(Calendar.HOUR_OF_DAY, 1);
abroad.set(Calendar.MINUTE, 0);
abroad.set(Calendar.SECOND, 0);
System.out.println(abroad.getTime());
DateFormat df1 = DateFormat.getDateTimeInstance(DateFormat.FULL, DateFormat.FULL);
df1.setTimeZone(TimeZone.getTimeZone("Asia/Tokyo"));
System.out.println(df1.format(abroad.getTime()));
DateFormat df2 = DateFormat.getDateTimeInstance(DateFormat.FULL, DateFormat.FULL);
df2.setTimeZone(TimeZone.getTimeZone("America/New_York"));
System.out.println(df2.format(abroad.getTime()));
DateFormat df3 = DateFormat.getDateTimeInstance(DateFormat.FULL, DateFormat.FULL);
df3.setTimeZone(TimeZone.getTimeZone("Etc/UTC"));
System.out.println(df3.format(abroad.getTime())); It outputs:
Sun Dec 24 17:00:00 CET 2006
luned� 25 dicembre 2006 1.00.00 JST
domenica 24 dicembre 2006 11.00.00 EST
domenica 24 dicembre 2006 16.00.00 UTCIn few words this code is able to compute any date from a specific timezone, to other timezone.
My questions are:
- Why the first output is in english ? and the other are in italian? (my OS is italian) but I didn't changed the locale in the code, so I don't understand why it outputs english text.
- When I get the date value in other timezones, I just get a "string" computed by the "format(...)" method of the DateFormat class.
But I really need to get something "numeric" for every specific value: minutes, hours, day of the month, month, year. Because this class will be used outside java and I don't need a string but something that the user will have formatted in his choosen locale setting for its website. (i think that I was not good to explain this point, i hope that someone can understand)
However thank you all :)
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