ExtJS Gridpanel selected rows - extjs

Question

I am design ExtJs Gridpanel with Checkboxes...
How to get checked records for save the data

Answer 1

Use getSelections to get all selected records and getSelected to get the first record.
var selected = checkBoxSelectionModelObj.getSelections();
for (var i = 0; i < selected.length; i++)
{
alert(selected[i].data.code);
}

Answer 2

In ExtJs docs provide method to get selected record in grid grid.getSelection(). You can refer ExtJs docs
I have create small demo to show you, how it work. Sencha fiddle example
var store = Ext.create('Ext.data.Store', {
fields: ['name', 'email', 'phone'],
data: [{
name: 'Lisa',
email: 'lisa#simpsons.com',
phone: '555-111-1224'
}, {
name: 'Bart',
email: 'bart#simpsons.com',
phone: '555-222-1234'
}, {
name: 'Homer',
email: 'homer#simpsons.com',
phone: '555-222-1244'
}, {
name: 'Marge',
email: 'marge#simpsons.com',
phone: '555-222-1254'
}, {
name: 'AMargeia',
email: 'marge#simpsons.com',
phone: '555-222-1254'
}]
});
Ext.create('Ext.grid.Panel', {
title: 'Simpsons',
store: store,
id: 'testGrid',
columns: [{
text: 'Name',
dataIndex: 'name'
}, {
text: 'Email',
dataIndex: 'email',
flex: 1
}, {
text: 'Phone',
dataIndex: 'phone'
}],
height: 200,
width: 400,
renderTo: Ext.getBody(),
selModel: {
checkOnly: false,
injectCheckbox: 'last',
mode: 'SIMPLE'
},
selType: 'checkboxmodel',
buttons: [{
text: 'Select All',
handler: function () {
Ext.getCmp('testGrid').getSelectionModel().selectAll();
}
}, {
text: 'Deselect All',
handler: function () {
Ext.getCmp('testGrid').getSelectionModel().deselectAll();
}
},{
text:'Print Selected Recod',
handler:function(){
var selection = Ext.getCmp('testGrid').getSelection();
if(selection.length){
let name='';
selection.map(item=>{
name+=item.get('name')+'<br>';
});
Ext.Msg.alert('Selected Record',name);
}else{
Ext.Msg.alert('Error','Please select record');
}
}
}]
});