Some practical little methods of jquery easyui combox_jquery

// combogrid sets which row is selected by default
$('#cc').combogrid('grid').datagrid('selectRecord',idValue);
where idValue corresponds to the idValue attribute defined by combogrid

// combogrid gets the pagination object
$('#cc').combogrid('grid').datagrid('getPager').pagination({
                 displayMsg:''
           });

// combogrid gets the current page number
$('#cc').combogrid('grid').datagrid('options').pageNumber;

// combobox selects the first one by default
var data = $("#cc").combobox('getData');
$("#cc").combobox("setValue",data [0].id);

// combotree defaults to the first one
var data = $("#cc").combotree("tree").tree('getChildren');
$("#cc").combotree ("setValue",data[1].id);