Problem displaying table generated by jsp
Hi!
I�m trying to build a dynamic form by calling different servlets from my jsp-page. Somthing goes wrong however, the first <select> generates another <select>, but when the second generates the third, the second <select>-table is overwritten. Why? Can�t I call request.getAttribute more than once?
Please look at my code and help me understand why these strange things happens:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Egendefinierad s�kning</title>
<link href="/taxen/myStyleSheet.css" rel="stylesheet" type="text/css">
<script language="JavaScript" type="text/JavaScript">
<!--
function MM_jumpMenu(targ,selObj,restore){ //v3.0
eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
if (restore) selObj.selectedIndex=0;
//-->
</script>
</head>
<body>
<%@ page contentType="text/html; charset=iso-8859-1" language="java" import="java.util.*, taxen.*"%>
<jsp:include page="header.html" flush="true" />
<form name="EgenDefForm1">
<table width="250" align="center">
<tr>
<td width="110">�mneskategori</td>
<td width="130">
<select name="subject_category" onChange="MM_jumpMenu('parent',this,0)">
<option value="choose">Välj</option>
<option value="http://localhost:8080/servlet/taxen.SubjectCategoryHandler?subject_category=Marken">Marken
</option>
<option value="http://localhost:8080/servlet/taxen.SubjectCategoryHandler?subject_category=Skogens_alder">Skogens
ålder </option>
<option value="http://localhost:8080/servlet/taxen.SubjectCategoryHandler?subject_category=Skogens_skador">Skogens
skador </option>
</select>
</td>
</tr>
</table>
<%
String s_category = (String) request.getAttribute("SUBJECT_CATEGORY_RESULT");
%>
<%
if ( s_category != null)
{%>
<table width="250" align="center">
<tr>
<td width="110">Underkategori</td>
<td width="130">
<select name="sub_group" onChange="MM_jumpMenu('parent',this,0)">
<option value="http://localhost:8080/servlet/taxen.SubGroupHandler?sub_group=<%=s_category%>">
<%
out.println(s_category);
%>
</option>
<option value="http://localhost:8080/servlet/taxen.SubGroupHandler?sub_group=<%=s_category%>">
<%
out.println(s_category);
%>
</option>
</select>
</td>
</tr>
</table>
<%}%>
<%
String s_group = (String) request.getAttribute("SUB_CAT_RES");
%>
<%
if ( s_group != null)
{%>
<table width="250" align="center">
<tr>
<td width="110">Variabel 1</td>
<td width="130">
<select name="variable">
<option value="<%=s_group%>">
<%
out.println(s_group);
%>
</option>
</select>
</td>
</tr>
</table>
<%}%>
</form>
</body>
</html>
Regards!
This may be your logic problem in the servlet.
I am expecting that you are doing like this.
On submitting the first select request....
In the servlet you setting the request.setAttribute("SUBJECT_CATEGORY_RESULT", ......
This is fine..
when you are submitting the second select request.
In the servlet you are setting the request.setAttribute("SUB_CAT_RES".... only.
But here you should set the request.setAttribute("SUBJECT_CATEGORY_RESULT", ... ALSO
Means both SUBJECT_CATEGORY_RESULT and SUB_CAT_RES should set in request.
Then it will work fine..
naveen
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John -
Hi ALL
I have a question about Table Generator JSP.
How to work with with Table Generator JSP. I have to create one table generator JSP. With the help of this jsp i have to show data on other JSPs.
Every Help Will Be Appreciated !Not an easy for sure.
Hints:
1. Write a custom tag to generate table. Include this tag in any JSP page of your application.
2. A table is two dimensional view having multiple rows and columns.
3. You can use a list of value objects to render data in your table.
4. You can take list (probably a java.util.List) name column names and data source for each column (perhaps method name of your value object) as input to the tag.
5. In your tag get the list object from session/pageContext. Then iterate through this list and using java reflection obtain column values & render rows.
You can replace step 3, 4 and 5 by:
Take two dimensional array of objects (like javax.swing.JTable) as input to the tag to render table data. Also, take a String array to render table header.
Whatever approach you follow, pass object names as tag attribute and make original object available as attribute in session or page scope.
Thanks,
Mrityunjoy -
Problems displaying swedish characters !
Hi !
I have a very strange problem, which I have been struggling with for a while now.
I have a JSP page which calls Java classes to generate a HTML table. I define the
basic structure of the table in the JSP file, such as which fields should be in it etc..
The Java classes makes a call to an Oracle database and fetches the records in a
recordset.
On the JSP page I call a method which generates the HTML table from the recordset
and returns a string to the page. I have a lot of swedish characters in some of the
columns, and they display fine. At least when the table is not that big....
Example:
I populate the table with 24 records and swedish chars (åöä) looks ok, but when I
populate the table with 25 records the swedish chars displays as jibberish.
For example: 'ö' => 'ö'
What seems strange to me is that it looks like its depending on the amount of data
that I return to the JSP page. In the logfiles all characters seems to be ok.
Content-Type is set to 'iso-8859-1', if I change to 'UTF-8' they look ok.
Unfortunately I cannot set UTF-8 as the content-type due to
restrictions on the rest of the website.
And since it seems that if I only send a smaller amount of data
to the browser it looks ok, so there must be some way out of this...
Has anybody got any clues ??
regards,
/Magnus
Solved the problem....
I did not use the PrintWriter in the 'response' object to write the HTML-table, I
simply just sent out a big string to the page which got corrupted when reaching
a certain size.
Solved it by using the PrintWriter instead.
/Magnus
Magnus Rosenquist wrote:
> Hi !
>
> I have a very strange problem, which I have been struggling with for a while now.
>
> I have a JSP page which calls Java classes to generate a HTML table. I define the
> basic structure of the table in the JSP file, such as which fields should be in it etc..
> The Java classes makes a call to an Oracle database and fetches the records in a
> recordset.
>
> On the JSP page I call a method which generates the HTML table from the recordset
> and returns a string to the page. I have a lot of swedish characters in some of the
> columns, and they display fine. At least when the table is not that big....
>
> Example:
> I populate the table with 24 records and swedish chars (åöä) looks ok, but when I
> populate the table with 25 records the swedish chars displays as jibberish.
> For example: 'ö' => 'ö'
>
> What seems strange to me is that it looks like its depending on the amount of data
> that I return to the JSP page. In the logfiles all characters seems to be ok.
>
> Content-Type is set to 'iso-8859-1', if I change to 'UTF-8' they look ok.
> Unfortunately I cannot set UTF-8 as the content-type due to
> restrictions on the rest of the website.
>
> And since it seems that if I only send a smaller amount of data
> to the browser it looks ok, so there must be some way out of this...
>
> Has anybody got any clues ??
>
> regards,
> /Magnus
Magnus Rosenquist
Mobile Mind AB
+46 (0)63 12 49 30 (Phone)
+46 (0)702 69 41 72 (Mobile)
mailto:[email protected]
http://www.mobilemind.se
-
Displaying tables with dynamic number of columns
Hello,
I'm pretty new to JSF. Currently I'm working on a project where I have to select a table from a list, and then make it browsable/editable. The problem I have is that the different tables also have a different number of columns.
I have no problem displaying different tables if the number of coulumns stays the same (using h:datatable) but when it's dynamic, I don't know how I can have my JSP to adjust to support the varying number of columns.
Has anyone got an example of dynamic datatable or maybe someone can point me in the right direction.
BrimborianHi daniel,
1. There is an INDEPENDENT FORM
whose inputs are FIELD LIST
and from those, it consructs dynamic table.
2. Here is the program.
the dynamic table name will be
<DYNTABLE>.
3. U can use this program (FORM in this program)
to generate any kind of internal table
by specifying some inputs (ie. field list)
4.
REPORT abc.
COMPULSORY
FIELD-SYMBOLS: <dyntable> TYPE ANY TABLE.
FIELD-SYMBOLS: <dynline> TYPE ANY.
DATA: lt TYPE lvc_t_fcat.
DATA: ls TYPE lvc_s_fcat.
FIELD-SYMBOLS: <fld> TYPE ANY.
DATA : fldname(50) TYPE c.
PARAMETERS : infty(4) TYPE c OBLIGATORY.
DATA : iname LIKE dd02l-tabname.
START-OF-SELECTION.
GET INFO
CONCATENATE 'P' infty INTO iname.
DATA : ddfields LIKE ddfield OCCURS 0 WITH HEADER LINE.
CALL FUNCTION 'DD_NAMETAB_TO_DDFIELDS'
EXPORTING
tabname = iname
TABLES
ddfields = ddfields.
CONSTRUCT FIELD LIST
LOOP AT ddfields.
ls-fieldname = ddfields-fieldname.
APPEND ls TO lt.
ENDLOOP.
PERFORM
PERFORM mydyntable USING lt.
BREAK-POINT.
INDEPENDENT FORM
FORM mydyntable USING lt TYPE lvc_t_fcat .
Create Dyn Table From FC
FIELD-SYMBOLS: <fs_data> TYPE REF TO data.
FIELD-SYMBOLS: <fs_1>.
FIELD-SYMBOLS: <fs_2> TYPE ANY TABLE.
DATA: lt_data TYPE REF TO data.
ASSIGN lt_data TO <fs_data>.
CALL METHOD cl_alv_table_create=>create_dynamic_table
EXPORTING
it_fieldcatalog = lt
IMPORTING
ep_table = <fs_data>
EXCEPTIONS
generate_subpool_dir_full = 1
OTHERS = 2.
IF sy-subrc <> 0.
ENDIF.
Assign Dyn Table To Field Sumbol
ASSIGN <fs_data>->* TO <fs_1>.
ASSIGN <fs_1> TO <fs_2>.
ASSIGN <fs_1> TO <dyntable>.
ENDFORM. "MYDYNTABLE
regards,
amit m. -
How do i display jasper reports using jsp
Can anyone help me to display jasper reports in jsp pages
Thanx in advancehi
Thank you for such a great answer.
I have a problem here,
When i generate report using this code all other report formats are generated very good, but the html report is not generated properly. i get nullpx in the img src e.g
<td><img alt="" src="nullpx" style="width: 20px; height: 1px;"/></td>
Please help me
and
Thanks in advance
snkr
Following is the html code of the generated report.
start--------------------------------------
=======================================================
<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<style type="text/css">
a {text-decoration: none}
</style>
</head>
<body text="#000000" link="#000000" alink="#000000" vlink="#000000">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr><td width="50%"> </td><td align="center">
<a name="JR_PAGE_ANCHOR_0_1"/>
<table style="width: 620px" cellpadding="0" cellspacing="0" border="0" bgcolor="white">
<tr>
<td><img alt="" src="nullpx" style="width: 200px; height: 1px;"/></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 1px;"/></td>
<td><img alt="" src="nullpx" style="width: 200px; height: 1px;"/></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 1px;"/></td>
<td><img alt="" src="nullpx" style="width: 135px; height: 1px;"/></td>
<td><img alt="" src="nullpx" style="width: 45px; height: 1px;"/></td>
<td><img alt="" src="nullpx" style="width: 20px; height: 1px;"/></td>
</tr>
<tr valign="top">
<td colspan="8"><img alt="" src="nullpx" style="width: 640px; height: 30px;"/></td>
</tr>
<tr valign="top">
<td><img alt="" src="nullpx" style="width: 20px; height: 60px;"/></td>
<td colspan="5" valign="middle" style="text-align: center;"><span style="font-family: sansserif; font-size: 20.0px; font-weight: bold;">
Report Background Demo
</span></td>
<td colspan="2"><img alt="" src="nullpx" style="width: 65px; height: 60px;"/></td>
</tr>
<tr valign="top">
<td><img alt="" src="nullpx" style="width: 20px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 13.0px; font-weight: bold;">Parent_ID</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 13.0px; font-weight: bold;">Product_ID:</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td colspan="3"><span style="font-family: Times; font-size: 13.0px; font-weight: bold;">Name:</span></td>
</tr>
<tr valign="top">
<td colspan="8"><img alt="" src="nullpx" style="width: 640px; height: 6px;"/></td>
</tr>
<tr valign="top">
<td><img alt="" src="nullpx" style="width: 20px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">0</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">001</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td colspan="3"><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">Colour Cosmetcis</span></td>
</tr>
<tr valign="top">
<td colspan="8"><img alt="" src="nullpx" style="width: 640px; height: 6px;"/></td>
</tr>
<tr valign="top">
<td><img alt="" src="nullpx" style="width: 20px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">001</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">001-001</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td colspan="3"><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">Lipsticks</span></td>
</tr>
<tr valign="top">
<td colspan="8"><img alt="" src="nullpx" style="width: 640px; height: 6px;"/></td>
</tr>
<tr valign="top">
<td><img alt="" src="nullpx" style="width: 20px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">001</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">001-321</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td colspan="3"><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">Eye Shadow</span></td>
</tr>
<tr valign="top">
<td colspan="8"><img alt="" src="nullpx" style="width: 640px; height: 6px;"/></td>
</tr>
<tr valign="top">
<td><img alt="" src="nullpx" style="width: 20px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">001</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">001-322</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td colspan="3"><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">Shankar</span></td>
</tr>
<tr valign="top">
<td colspan="8"><img alt="" src="nullpx" style="width: 640px; height: 6px;"/></td>
</tr>
<tr valign="top">
<td><img alt="" src="nullpx" style="width: 20px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">001-322</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">001-322-001</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td colspan="3"><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">test</span></td>
</tr>
<tr valign="top">
<td colspan="8"><img alt="" src="nullpx" style="width: 640px; height: 6px;"/></td>
</tr>
<tr valign="top">
<td><img alt="" src="nullpx" style="width: 20px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">001-322</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">001-322-002</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td colspan="3"><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">Parikchya</span></td>
</tr>
<tr valign="top">
<td colspan="8"><img alt="" src="nullpx" style="width: 640px; height: 6px;"/></td>
</tr>
<tr valign="top">
<td><img alt="" src="nullpx" style="width: 20px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">001</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">001-323</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td colspan="3"><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">test</span></td>
</tr>
<tr valign="top">
<td colspan="8"><img alt="" src="nullpx" style="width: 640px; height: 6px;"/></td>
</tr>
<tr valign="top">
<td><img alt="" src="nullpx" style="width: 20px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">001</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">001-324</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td colspan="3"><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">first</span></td>
</tr>
<tr valign="top">
<td colspan="8"><img alt="" src="nullpx" style="width: 640px; height: 6px;"/></td>
</tr>
<tr valign="top">
<td><img alt="" src="nullpx" style="width: 20px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">001-324</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">001-324-001</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td colspan="3"><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">first</span></td>
</tr>
<tr valign="top">
<td colspan="8"><img alt="" src="nullpx" style="width: 640px; height: 6px;"/></td>
</tr>
<tr valign="top">
<td><img alt="" src="nullpx" style="width: 20px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">0</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">002</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td colspan="3"><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">hair Cleaner</span></td>
</tr>
<tr valign="top">
<td colspan="8"><img alt="" src="nullpx" style="width: 640px; height: 6px;"/></td>
</tr>
<tr valign="top">
<td><img alt="" src="nullpx" style="width: 20px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">002</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">002-001</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td colspan="3"><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">Kumar</span></td>
</tr>
<tr valign="top">
<td colspan="8"><img alt="" src="nullpx" style="width: 640px; height: 6px;"/></td>
</tr>
<tr valign="top">
<td><img alt="" src="nullpx" style="width: 20px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">002</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">002-002</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td colspan="3"><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">Magilla Gorilla</span></td>
</tr>
<tr valign="top">
<td colspan="8"><img alt="" src="nullpx" style="width: 640px; height: 6px;"/></td>
</tr>
<tr valign="top">
<td><img alt="" src="nullpx" style="width: 20px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">002</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">002-003</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td colspan="3"><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">astrigent</span></td>
</tr>
<tr valign="top">
<td colspan="8"><img alt="" src="nullpx" style="width: 640px; height: 6px;"/></td>
</tr>
<tr valign="top">
<td><img alt="" src="nullpx" style="width: 20px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">0</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">003</span></td>
<td><img alt="" src="nullpx" style="width: 10px; height: 24px;"/></td>
<td colspan="3"><span style="font-family: Times; font-size: 15.0px; font-weight: bold;">test1</span></td>
</tr>
<tr valign="top">
<td colspan="8"><img alt="" src="nullpx" style="width: 640px; height: 96px;"/></td>
</tr>
<tr valign="top">
<td colspan="8"><img alt="" src="nullpx" style="width: 640px; height: 170px;"/></td>
</tr>
</table>
</td><td width="50%"> </td></tr>
</table>
</body>
</html>
end------------------------------
======================================================== -
How to USE Display Tag in my jsp pageInMy JDBC program in NetBeans 5
I want my program 2 fetch Data from the database and display in the nice format provided by the Display Tags.. I have simple JSP pages, without using any Beans. I m running netBeans 5.
What is the Solution to display my Table data in JSP display Tags facility.
reply soon ...
tht help me a lotHello,
I am not sure how far you got with this display tag. I had issues added the displaytag lib and the dependencies to my library. On the right-hand side of Netbeans, under Project, under the war directory of the application, I was able to add the libraries to my project. It stop some errors I have been having for so long.
Still, I am not able to display my data using display. How far this you did with this project? Have you resolve the problem so far. I know it's been a long time.
Thanks
eve
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