This example demonstartes constructing of two grids and how we
can realize master detail.Try to click row on Invoice Header.


Get Selected id's

HTML ... Invoice Header <table id="list10" class="scroll" cellpadding="0" cellspacing="0"></table> <div id="pager10" class="scroll" style="text-align:center;"></div> <br /> Invoice Detail <table id="list10_d" class="scroll" cellpadding="0" cellspacing="0"></table> <div id="pager10_d" class="scroll" style="text-align:center;"></div> <a href="javascript:void(0)" id="ms1">Get Selected id's</a> Java Scrpt code ... jQuery("#list10").jqGrid({ url:'server.php?q=2', datatype: "json", colNames:['Inv No','Date', 'Client', 'Amount','Tax','Total','Notes'], colModel:[ {name:'id',index:'id', width:55}, {name:'invdate',index:'invdate', width:90}, {name:'name',index:'name', width:100}, {name:'amount',index:'amount', width:80, align:"right"}, {name:'tax',index:'tax', width:80, align:"right"}, {name:'total',index:'total', width:80,align:"right"}, {name:'note',index:'note', width:150, sortable:false} ], rowNum:10, rowList:[10,20,30], imgpath: gridimgpath, pager: jQuery('#pager10'), sortname: 'id', viewrecords: true, sortorder: "desc", multiselect: false, caption: "Invoice Header", onSelectRow: function(ids) { if(ids == null) { ids=0; if(jQuery("#list10_d").getGridParam('records') >0 ) { jQuery("#list10_d").setGridParam({url:"subgrid.php?q=1&id="+ids,page:1}) .setCaption("Invoice Detail: "+ids) .trigger('reloadGrid'); } } else { jQuery("#list10_d").setGridParam({url:"subgrid.php?q=1&id="+ids,page:1}) .setCaption("Invoice Detail: "+ids) .trigger('reloadGrid'); } } }).navGrid('#pager10',{add:false,edit:false,del:false}); jQuery("#list10_d").jqGrid({ height: 100, url:'subgrid.php?q=1&id=0', datatype: "json", colNames:['No','Item', 'Qty', 'Unit','Line Total'], colModel:[ {name:'num',index:'num', width:55}, {name:'item',index:'item', width:180}, {name:'qty',index:'qty', width:80, align:"right"}, {name:'unit',index:'unit', width:80, align:"right"}, {name:'linetotal',index:'linetotal', width:80,align:"right", sortable:false, search:false} ], rowNum:5, rowList:[5,10,20], imgpath: gridimgpath, pager: jQuery('#pager10_d'), sortname: 'item', viewrecords: true, sortorder: "asc", multiselect: true, caption:"Invoice Detail" }).navGrid('#pager10_d',{add:false,edit:false,del:false}); jQuery("#ms1").click( function() { var s; s = jQuery("#list10_d").getMultiRow(); alert(s); }); PHP with MySQL Master ... $page = $_GET['page']; // get the requested page $limit = $_GET['rows']; // get how many rows we want to have into the grid $sidx = $_GET['sidx']; // get index row - i.e. user click to sort $sord = $_GET['sord']; // get the direction if(!$sidx) $sidx =1; // connect to the database $db = mysql_connect($dbhost, $dbuser, $dbpassword) or die("Connection Error: " . mysql_error()); mysql_select_db($database) or die("Error conecting to db."); $result = mysql_query("SELECT COUNT(*) AS count FROM invheader a, clients b WHERE a.client_id=b.client_id"); $row = mysql_fetch_array($result,MYSQL_ASSOC); $count = $row['count']; if( $count >0 ) { $total_pages = ceil($count/$limit); } else { $total_pages = 0; } if ($page > $total_pages) $page=$total_pages; $start = $limit*$page - $limit; // do not put $limit*($page - 1) $SQL = "SELECT a.id, a.invdate, b.name, a.amount,a.tax,a.total,a.note FROM invheader a, clients b WHERE a.client_id=b.client_id ORDER BY $sidx $sord LIMIT $start , $limit"; $result = mysql_query( $SQL ) or die("Couldn t execute query.".mysql_error()); $responce->page = $page; $responce->total = $total_pages; $responce->records = $count; $i=0; while($row = mysql_fetch_array($result,MYSQL_ASSOC)) { $responce->rows[$i]['id']=$row[id]; $responce->rows[$i]['cell']=array($row[id],$row[invdate],$row[name],$row[amount],$row[tax],$row[total],$row[note]); $i++; } echo json_encode($responce); ... PHP with MySQL Detail ... <?php include("dbconfig.php"); $examp = $_GET["q"]; //query number $page = $_GET['page']; // get the requested page $limit = $_GET['rows']; // get how many rows we want to have into the grid $sidx = $_GET['sidx']; // get index row - i.e. user click to sort $sord = $_GET['sord']; // get the direction $id = $_GET['id']; if(!$sidx) $sidx =1; // connect to the database $db = mysql_connect($dbhost, $dbuser, $dbpassword) or die("Connection Error: " . mysql_error()); mysql_select_db($database) or die("Error conecting to db."); switch ($examp) { case 1: $result = mysql_query("SELECT COUNT(*) AS count FROM invlines WHERE id=".$id); $row = mysql_fetch_array($result,MYSQL_ASSOC); $count = $row['count']; if( $count >0 ) { $total_pages = ceil($count/$limit); } else { $total_pages = 0; } if ($page > $total_pages) $page=$total_pages; $start = $limit*$page - $limit; // do not put $limit*($page - 1) if ($start<0) $start = 0; $SQL = "SELECT num, item, qty, unit FROM invlines WHERE id=".$id." ORDER BY $sidx $sord LIMIT $start , $limit"; $result = mysql_query( $SQL ) or die("CouldnÂ’t execute query.".mysql_error()); $responce->page = $page; $responce->total = $total_pages; $responce->records = $count; $i=0; while($row = mysql_fetch_array($result,MYSQL_ASSOC)) { $responce->rows[$i]['id']=$row[num]; $responce->rows[$i]['cell']=array($row[num],$row[item],$row[qty],$row[unit],number_format($row[qty]*$row[unit],2,'.',' ')); $i++; } echo json_encode($responce); break; } ?>