How to Edit and Save functionality in JQGrid Using Angularjs

Question

I have added JqGrid using the angularjs 'Jqgriddirective.js' , How to Edit and save the data 

 

when edit icon click.  I used this link to add the jqgrid

 

https://github.com/chandermi/Angular-JqGrid-Directive/blob/master/NgGrid.html