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filtering a recordset by another to display field

Posted 16 May 2007 03:52:15
1
has voted
16 May 2007 03:52:15 carl bertrand posted:
Hi there, I am using ASP Javascript (not VB) and i want one field of recordset2 to be a repeat region , but i want it controlled by field "city" from recordset1 to be equal to field "cityad" from recordset2 to display field "ads" from recordset2 as a repeat region.

here is the code i am using

it does not work.
please help!!!!!!

<%@LANGUAGE="JAVASCRIPT" CODEPAGE="1252"%>
<!--#include file="Connections/ontario.asp" -->
<%
var PC__MMColParam = "1";
if (String(Request.QueryString("postalcode") != "undefined" &&
String(Request.QueryString("postalcode") != "" {
PC__MMColParam = String(Request.QueryString("postalcode");
}
%>
<%
var PC = Server.CreateObject("ADODB.Recordset";
PC.ActiveConnection = MM_ontario_STRING;
PC.Source = "SELECT * FROM AlbertaListings WHERE postalcode LIKE '"+ PC__MMColParam.replace(/'/g, "''" + "%' ORDER BY Rnd ()";
PC.CursorType = 0;
PC.CursorLocation = 2;
PC.LockType = 1;
PC.Open();
var PC_numRows = 0;
%>

<%
var Ads__MMColParam = "1";
if (String(Request.QueryString("postalcode") != "undefined" &&
String(Request.QueryString("postalcode") != "" {
Ads__MMColParam = String(Request.QueryString("postalcode");
}
%>
<%
var Ads__varcity = "1";
if (String(PC("city" = Ads("cityad") != "undefined" &&
String(PC("city" = Ads("cityad") != "" {
Ads__varcity = String(PC("city" = Ads("cityad");
}
%>

<%
var Ads = Server.CreateObject("ADODB.Recordset";
Ads.ActiveConnection = MM_ontario_STRING;
Ads.Source = "SELECT * FROM AlbertaAds, AlbertaListings WHERE postalcode LIKE '"+ Ads__MMColParam.replace(/'/g, "''" + "%' AND cityad LIKE '%"+ Ads__varcity.replace(/'/g, "''" + "%'";
Ads.CursorType = 0;
Ads.CursorLocation = 2;
Ads.LockType = 1;
Ads.Open();
var Ads_numRows = 0;
%>

<%
var Repeat1__numRows = 10;
var Repeat1__index = 0;
PC_numRows += Repeat1__numRows;
%>
<%
var Repeat2__numRows = 10;
var Repeat2__index = 0;
Ads_numRows += Repeat2__numRows;
%>
<%
// *** Recordset Stats, Move To Record, and Go To Record: declare stats variables

// set the record count
var PC_total = PC.RecordCount;

// set the number of rows displayed on this page
if (PC_numRows < 0) { // if repeat region set to all records
PC_numRows = PC_total;
} else if (PC_numRows == 0) { // if no repeat regions
PC_numRows = 1;
}

// set the first and last displayed record
var PC_first = 1;
var PC_last = PC_first + PC_numRows - 1;

// if we have the correct record count, check the other stats
if (PC_total != -1) {
PC_numRows = Math.min(PC_numRows, PC_total);
PC_first = Math.min(PC_first, PC_total);
PC_last = Math.min(PC_last, PC_total);
}
%>
<%
// *** Recordset Stats: if we don't know the record count, manually count them

if (PC_total == -1) {

// count the total records by iterating through the recordset
for (PC_total=0; !PC.EOF; PC.MoveNext()) {
PC_total++;
}

// reset the cursor to the beginning
if (PC.CursorType > 0) {
if (!PC.BOF) PC.MoveFirst();
} else {
PC.Requery();
}

// set the number of rows displayed on this page
if (PC_numRows < 0 || PC_numRows > PC_total) {
PC_numRows = PC_total;
}

// set the first and last displayed record
PC_last = Math.min(PC_first + PC_numRows - 1, PC_total);
PC_first = Math.min(PC_first, PC_total);
}
%>

<% var MM_paramName = ""; %>
<%
// *** Move To Record and Go To Record: declare variables

var MM_rs = PC;
var MM_rsCount = PC_total;
var MM_size = PC_numRows;
var MM_uniqueCol = "";
MM_paramName = "";
var MM_offset = 0;
var MM_atTotal = false;
var MM_paramIsDefined = (MM_paramName != "" && String(Request(MM_paramName)) != "undefined";
%>
<%
// *** Move To Record: handle 'index' or 'offset' parameter

if (!MM_paramIsDefined && MM_rsCount != 0) {

// use index parameter if defined, otherwise use offset parameter
r = String(Request("index");
if (r == "undefined" r = String(Request("offset");
if (r && r != "undefined" MM_offset = parseInt(r);

// if we have a record count, check if we are past the end of the recordset
if (MM_rsCount != -1) {
if (MM_offset >= MM_rsCount || MM_offset == -1) { // past end or move last
if ((MM_rsCount % MM_size) != 0) { // last page not a full repeat region
MM_offset = MM_rsCount - (MM_rsCount % MM_size);
} else {
MM_offset = MM_rsCount - MM_size;
}
}
}

// move the cursor to the selected record
for (var i=0; !MM_rs.EOF && (i < MM_offset || MM_offset == -1); i++) {
MM_rs.MoveNext();
}
if (MM_rs.EOF) MM_offset = i; // set MM_offset to the last possible record
}
%>
<%
// *** Move To Record: if we dont know the record count, check the display range

if (MM_rsCount == -1) {

// walk to the end of the display range for this page
for (var i=MM_offset; !MM_rs.EOF && (MM_size < 0 || i < MM_offset + MM_size); i++) {
MM_rs.MoveNext();
}

// if we walked off the end of the recordset, set MM_rsCount and MM_size
if (MM_rs.EOF) {
MM_rsCount = i;
if (MM_size < 0 || MM_size > MM_rsCount) MM_size = MM_rsCount;
}

// if we walked off the end, set the offset based on page size
if (MM_rs.EOF && !MM_paramIsDefined) {
if ((MM_rsCount % MM_size) != 0) { // last page not a full repeat region
MM_offset = MM_rsCount - (MM_rsCount % MM_size);
} else {
MM_offset = MM_rsCount - MM_size;
}
}

// reset the cursor to the beginning
if (MM_rs.CursorType > 0) {
if (!MM_rs.BOF) MM_rs.MoveFirst();
} else {
MM_rs.Requery();
}

// move the cursor to the selected record
for (var i=0; !MM_rs.EOF && i < MM_offset; i++) {
MM_rs.MoveNext();
}
}
%>
<%
// *** Move To Record: update recordset stats

// set the first and last displayed record
PC_first = MM_offset + 1;
PC_last = MM_offset + MM_size;
if (MM_rsCount != -1) {
PC_first = Math.min(PC_first, MM_rsCount);
PC_last = Math.min(PC_last, MM_rsCount);
}

// set the boolean used by hide region to check if we are on the last record
MM_atTotal = (MM_rsCount != -1 && MM_offset + MM_size >= MM_rsCount);
%>
<%
// *** Go To Record and Move To Record: create strings for maintaining URL and Form parameters

// create the list of parameters which should not be maintained
var MM_removeList = "&index=";
if (MM_paramName != "" MM_removeList += "&" + MM_paramName.toLowerCase() + "=";
var MM_keepURL="",MM_keepForm="",MM_keepBoth="",MM_keepNone="";

// add the URL parameters to the MM_keepURL string
for (var items=new Enumerator(Request.QueryString); !items.atEnd(); items.moveNext()) {
var nextItem = "&" + items.item().toLowerCase() + "=";
if (MM_removeList.indexOf(nextItem) == -1) {
MM_keepURL += "&" + items.item() + "=" + Server.URLencode(Request.QueryString(items.item()));
}
}

// add the Form variables to the MM_keepForm string
for (var items=new Enumerator(Request.Form); !items.atEnd(); items.moveNext()) {
var nextItem = "&" + items.item().toLowerCase() + "=";
if (MM_removeList.indexOf(nextItem) == -1) {
MM_keepForm += "&" + items.item() + "=" + Server.URLencode(Request.Form(items.item()));
}
}

// create the Form + URL string and remove the intial '&' from each of the strings
MM_keepBoth = MM_keepURL + MM_keepForm;
if (MM_keepBoth.length > 0) MM_keepBoth = MM_keepBoth.substring(1);
if (MM_keepURL.length > 0) MM_keepURL = MM_keepURL.substring(1);
if (MM_keepForm.length > 0) MM_keepForm = MM_keepForm.substring(1);
%>
<%
// *** Move To Record: set the strings for the first, last, next, and previous links

var MM_moveFirst="",MM_moveLast="",MM_moveNext="",MM_movePrev="";
var MM_keepMove = MM_keepBoth; // keep both Form and URL parameters for moves
var MM_moveParam = "index";

// if the page has a repeated region, remove 'offset' from the maintained parameters
if (MM_size > 1) {
MM_moveParam = "offset";
if (MM_keepMove.length > 0) {
params = MM_keepMove.split("&";
MM_keepMove = "";
for (var i=0; i < params.length; i++) {
var nextItem = params[i].substring(0,params[i].indexOf("=");
if (nextItem.toLowerCase() != MM_moveParam) {
MM_keepMove += "&" + params[i];
}
}
if (MM_keepMove.length > 0) MM_keepMove = MM_keepMove.substring(1);
}
}

// set the strings for the move to links
if (MM_keepMove.length > 0) MM_keepMove = Server.HTMLEncode(MM_keepMove) + "&";
var urlStr = Request.ServerVariables("URL" + "?" + MM_keepMove + MM_moveParam + "=";
MM_moveFirst = urlStr + "0";
MM_moveLast = urlStr + "-1";
MM_moveNext = urlStr + (MM_offset + MM_size);
MM_movePrev = urlStr + Math.max(MM_offset - MM_size,0);
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<link rel="shortcut icon" href="images/CMicon.ico">
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<th width="140" rowspan="2" valign="top" style="border-left-style: none; border-left-width: medium; border-top-style: none; border-top-width: medium" scope="row">
<table border="0" cellpadding="0" cellspacing="0">
<tr>
<td>cityad</td>
<td>ads</td>
</tr>
<% while ((Repeat2__numRows-- != 0) && (!Ads.EOF)) { %>
<tr>
<td></td>
<td> <%=(Ads.Fields.Item("ads".Value)%></td></tr>
<%
Repeat2__index++;
Ads.MoveNext();
}
%>

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