Easyui DataGrid keyboard up and down CONTROL select row

$.extend ($.fn.datagrid.methods, {keyctr:function (JQ) {return Jq.each (function () {var Grid = $ (            this); Grid.datagrid (' Getpanel '). Panel (' Panel '). attr (' TabIndex ', 1). bind (' KeyDown ', function (e) {switch (E.keyco                    DE) {case £ º//up var selected = Grid.datagrid (' getselected ');                        if (selected) {var index = Grid.datagrid (' Getrowindex ', selected);                    Grid.datagrid (' SelectRow ', index-1);                        } else {var rows = Grid.datagrid (' getRows ');                    Grid.datagrid (' SelectRow ', rows.length-1);                } break;                    Case £ º//down var selected = Grid.datagrid (' getselected ');                        if (selected) {var index = Grid.datagrid (' Getrowindex ', selected); Grid.datagrid (' SelectRow ', index + 1);                    } else {Grid.datagrid (' SelectRow ', 0);                } break;        }            });    }); }});

How to use: This method is called after the DataGrid is instantiated.

$ ("#id"). DataGrid ({}). DataGrid ("Keyctr");

　　

Easyui DataGrid keyboard up and down CONTROL select row