jQuery EasyUI Data Grid and Tree Plugin -Datagrid Data Grid

$('#dg').datagrid({
    toolbar: '#tb'
});
<div id="tb">
<a href="../index.html" class="easyui-linkbutton" data-options="iconCls:'icon-edit',plain:true"></a>
<a href="../index.html" class="easyui-linkbutton" data-options="iconCls:'icon-help',plain:true"></a>
</div>

$('#dg').datagrid({
    toolbar: [{
        iconCls: 'icon-edit',
        handler: function(){alert('edit')}
    },'-',{
        iconCls: 'icon-help',
        handler: function(){alert('help')}
    }]
});

$('#dg').datagrid({
    data: [
        {f1:'value11', f2:'value12'},
        {f1:'value21', f2:'value22'}
    ]
});

$('#dg').datagrid({
    queryParams: {
        name: 'easyui',
        subject: 'datagrid'
    }
});

$('#dg').datagrid({
    rowStyler: function(index,row){
        if (row.listprice>80){
            return 'background-color:#6293BB;color:#fff;'; // return inline style
            // the function can return predefined css class and inline style
            // return {class:'r1', style:{'color:#fff'}};    
        }
    }
});

// removing 'd' object from asp.net web service json output
$('#dg').datagrid({
    loadFilter: function(data){
        if (data.d){
            return data.d;
        } else {
            return data;
        }
    }
});

$('#dg').datagrid({
    columns:[[
        {field:'userId',title:'User', width:80,
            formatter: function(value,row,index){
                if (row.user){
                    return row.user.name;
                } else {
                    return value;
                }
            }
        }
    ]]
});

$('#dg').datagrid({
    columns:[[
        {field:'listprice',title:'List Price', width:80, align:'right',
            styler: function(value,row,index){
                if (value < 20){
                    return 'background-color:#FFEE00;color:red;';
                    // the function can return predefined css class and inline style
                    // return {class:'c1',style:'color:red'}
                }
            }
        }
    ]]
});

$('#dg').datagrid({
    remoteSort: false,
    columns: [[
        {field:'date',title:'Date',width:80,sortable:true,align:'center',  
            sorter:function(a,b){  
                a = a.split('/');  
                b = b.split('/');  
                if (a[2] == b[2]){  
                    if (a[0] == b[0]){  
                        return (a[1]>b[1]?1:-1);  
                    } else {  
                        return (a[0]>b[0]?1:-1);  
                    }  
                } else {  
                    return (a[2]>b[2]?1:-1);  
                }  
            }  
        }
    ]]
});

// when double click a cell, begin editing and make the editor get focus
$('#dg').datagrid({
    onDblClickCell: function(index,field,value){
        $(this).datagrid('beginEdit', index);
        var ed = $(this).datagrid('getEditor', {index:index,field:field});
        $(ed.target).focus();
    }
});

var opts = $('#dg').datagrid('getColumnFields');    // get unfrozen columns
var opts = $('#dg').datagrid('getColumnFields', true); // get frozen columns

$('#dg').datagrid('load',{
    code: '01',
    name: 'name01'
});

// update footer row values and then refresh
var rows = $('#dg').datagrid('getFooterRows');
rows[0]['name'] = 'new name';
rows[0]['salary'] = 60000;
$('#dg').datagrid('reloadFooter');

// update footer rows with new data
$('#dg').datagrid('reloadFooter',[
    {name: 'name1', salary: 60000},
    {name: 'name2', salary: 65000}
]);

$('#dg').datagrid('fixColumnSize', 'name');  // fix the 'name' column size
$('#dg').datagrid('fixColumnSize');  // fix all columns size

// get the datebox editor and change its value
var ed = $('#dg').datagrid('getEditor', {index:1,field:'birthday'});
$(ed.target).datebox('setValue', '5/4/2012');

$('#dg').datagrid('updateRow',{
    index: 2,
    row: {
        name: 'new name',
        note: 'new note message'
    }
});

$('#dg').datagrid('appendRow',{
    name: 'new name',
    age: 30,
    note: 'some messages'
});

// insert a new row at second row position
$('#dg').datagrid('insertRow',{
    index: 1,    // index start with 0
    row: {
        name: 'new name',
        age: 30,
        note: 'some messages'
    }
});