jqgrid单元格合并

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="WebApplication2.WebForm1" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="head1" runat="server">
    <title>Just simple local grid</title>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<%--    <link rel="stylesheet" type="text/css" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.11/themes/redmond/jquery-ui.css" />
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    <script type="text/javascript" src="http://www.ok-soft-gmbh.com/jqGrid/jquery.jqGrid-4.0.0/js/jquery.jqGrid.src.js"></script>
  --%>
    <script type="text/javascript">
        //<![CDATA[
        $(document).ready(function() {
            var mydata = [
                    { id: "", invdate: "2007-10-01", name: "test_test_test_test_test", note: "note", amount: "200.00", tax: "10.00", closed: true, ship_via: "TN", total: "210.00" },
                    { id: "", invdate: "2007-10-02", name: "test2222222222222222", note: "note2", amount: "300.00", tax: "20.00", closed: false, ship_via: "FE", total: "320.00" },
                    { id: "", invdate: "2007-09-01", name: "test3", note: "note3", amount: "400.00", tax: "30.00", closed: false, ship_via: "FE", total: "430.00" },
                    { id: "", invdate: "2007-10-04", name: "test4444444444444444", note: "note4", amount: "200.00", tax: "10.00", closed: true, ship_via: "TN", total: "210.00" },
                    { id: "", invdate: "2007-10-31", name: "test5", note: "note5", amount: "300.00", tax: "20.00", closed: false, ship_via: "FE", total: "320.00" },
                    { id: "", invdate: "2007-09-06", name: "test6", note: "note6", amount: "400.00", tax: "30.00", closed: false, ship_via: "FE", total: "430.00" },
                    { id: "", invdate: "2007-10-04", name: "test7", note: "note7", amount: "300.00", tax: "10.00", closed: true, ship_via: "TN", total: "210.00" },
                    { id: "", invdate: "2007-10-03", name: "test8", note: "note8", amount: "300.00", tax: "20.00", closed: false, ship_via: "FE", total: "320.00" },
                    { id: "", invdate: "2007-09-01", name: "test9", note: "note9", amount: "400.00", tax: "30.00", closed: false, ship_via: "TN", total: "430.00" },
                    { id: "", invdate: "2007-09-08", name: "test10", note: "note10", amount: "500.00", tax: "30.00", closed: true, ship_via: "TN", total: "530.00" },
                    { id: "", invdate: "2007-09-08", name: "test11", note: "note11", amount: "500.00", tax: "30.00", closed: false, ship_via: "FE", total: "530.00" },
                    { id: "", invdate: "2007-09-10", name: "test12", note: "note12", amount: "300.00", tax: "30.00", closed: false, ship_via: "FE", total: "530.00" },
                    { id: "", invdate: "2007-10-01", name: "test_test_test_test_test", note: "note", amount: "200.00", tax: "10.00", closed: true, ship_via: "TN", total: "210.00" },
                    { id: "", invdate: "2007-10-02", name: "test2222222222222222", note: "note2", amount: "300.00", tax: "20.00", closed: false, ship_via: "FE", total: "320.00" },
                    { id: "", invdate: "2007-09-01", name: "test3", note: "note3", amount: "400.00", tax: "30.00", closed: false, ship_via: "FE", total: "430.00" },
                    { id: "", invdate: "2007-10-04", name: "test4444444444444444", note: "note4", amount: "200.00", tax: "10.00", closed: true, ship_via: "TN", total: "210.00" },
                    { id: "", invdate: "2007-10-31", name: "test5", note: "note5", amount: "300.00", tax: "20.00", closed: false, ship_via: "FE", total: "320.00" },
                    { id: "", invdate: "2007-09-06", name: "test6", note: "note6", amount: "500.00", tax: "30.00", closed: false, ship_via: "FE", total: "430.00" },
                    { id: "", invdate: "2007-10-04", name: "test7", note: "note7", amount: "200.00", tax: "10.00", closed: true, ship_via: "TN", total: "210.00" },
                    { id: "", invdate: "2007-10-03", name: "test8", note: "note8", amount: "300.00", tax: "20.00", closed: false, ship_via: "FE", total: "320.00" },
                    { id: "", invdate: "2007-09-01", name: "test9", note: "note9", amount: "400.00", tax: "30.00", closed: false, ship_via: "TN", total: "430.00" },
                    { id: "", invdate: "2007-09-08", name: "test10", note: "note10", amount: "500.00", tax: "30.00", closed: true, ship_via: "TN", total: "530.00" },
                    { id: "", invdate: "2007-09-08", name: "test11", note: "note11", amount: "500.00", tax: "30.00", closed: false, ship_via: "FE", total: "530.00" },
                    { id: "", invdate: "2007-09-10", name: "test12", note: "note12", amount: "500.00", tax: "30.00", closed: false, ship_via: "FE", total: "530.00" }
                ],
                grid = $("#list"); 

            grid.jqGrid({
                datatype: 'local',
                data: mydata,
                colNames: ['Inv No', 'Date', 'Client A', 'Client B', 'Amount', 'Tax', 'Total', 'Closed', 'Shipped via', 'Notes'],
                colModel: [
                    { name: 'id', index: 'id', width: , align: 'center', sorttype: 'int' },
                    { name: 'invdate', index: 'invdate', width: , align: 'center', sorttype: 'date',
                        formatter: 'date', formatoptions: { newformat: 'd-M-Y' }, datefmt: 'd-M-Y'
                    },
                    { name: 'name', index: 'name', width: ,
                        cellattr: function(rowId, tv, rawObject, cm, rdata) {
                            //合并单元格
                            return 'id=\'name' + rowId + "\'";
                            //if (Number(rowId) < 5) { return ' colspan=2' }
                        }
                    },
                    { name: 'nameB', index: 'nameB', width: ,
                        cellattr: function(rowId, tv, rawObject, cm, rdata) {
                            //if (Number(rowId) < 5) { return ' style="display:none;"' }
                        }
                    },
                    { name: 'amount', index: 'amount', width: , formatter: 'number', align: 'right',
                        cellattr: function(rowId, tv, rawObject, cm, rdata) {
                            //合并单元格
                            return 'id=\'amount' + rowId + "\'";
                        }
                    },
                    { name: 'tax', index: 'tax', width: , formatter: 'number', align: 'right',
                        cellattr: function(rowId, tv, rawObject, cm, rdata) {
                            //合并单元格
                            return 'id=\'tax' + rowId + "\'";
                        }
                    },
                    { name: 'total', index: 'total', width: , formatter: 'number', align: 'right',
                        cellattr: function(rowId, tv, rawObject, cm, rdata) {
                            //合并单元格
                            return 'id=\'total' + rowId + "\'";
                        }
                    },
                    { name: 'closed', index: 'closed', width: , align: 'center', formatter: 'checkbox',
                        edittype: 'checkbox', editoptions: { value: 'Yes:No', defaultValue: 'Yes' }
                    },
                    { name: 'ship_via', index: 'ship_via', width: , align: 'center', formatter: 'select',
                        edittype: 'select', editoptions: { value: 'FE:FedEx;TN:TNT;IN:Intim', defaultValue: 'Intime' },
                        //①给当前想合并的单元格设置id
                        cellattr: function(rowId, tv, rawObject, cm, rdata) {
                            return 'id=\'ship_via' + rowId + "\'";
                        }
                    },
                    { name: 'note', index: 'note', width: , sortable: false }
                ],
                rowNum: ,
                rowList: [, , , ],
                pager: '#pager',
                gridview: true,
                rownumbers: true,
                sortname: 'invdate',
                viewrecords: true,
                sortorder: 'desc',
                caption: 'Just simple local grid',
                height: '100%',
                gridComplete: function() {
                    //②在gridComplete调用合并方法
                    var gridName = "list";
                    Merger(gridName, 'amount');
                    Merger(gridName, 'tax');
                    Merger(gridName, 'total');
                    Merger(gridName, 'name');
                    Merger(gridName, 'ship_via');
                } 

            }); 

            //公共调用方法
            function Merger(gridName, CellName) {
                //得到显示到界面的id集合
                var mya = $("#" + gridName + "").getDataIDs();
                //当前显示多少条
                var length = mya.length;
                for (var i = ; i < length; i++) {
                    //从上到下获取一条信息
                    var before = $("#" + gridName + "").jqGrid('getRowData', mya[i]);
                    //定义合并行数
                    var rowSpanTaxCount = ;
                    for (j = i + ; j <= length; j++) {
                        //和上边的信息对比 如果值一样就合并行数+1 然后设置rowspan 让当前单元格隐藏
                        var end = $("#" + gridName + "").jqGrid('getRowData', mya[j]);
                        if (before[CellName] == end[CellName]) {
                            rowSpanTaxCount++;
                            $("#" + gridName + "").setCell(mya[j], CellName, '', { display: 'none' });
                        } else {
                            rowSpanTaxCount = ;
                            break;
                        }
                        $("#" + CellName + "" + mya[i] + "").attr("rowspan", rowSpanTaxCount);
                    }
                }
            }
        }); 

        //]]>  

    </script>  

</head>
<body>
    <table id="list">
        <tr>
            <td />
        </tr>
    </table>
    <div id="pager">
    </div>
</body>
</html>