Cascading drop down in table using Angular 4 typescript

Question

I want to use Cascading drop-down in table using angular4

Currently, I have been working on it but when I change drop down from the first row it is a binding second level dropdown for all row.

I want to bind the second level drop down of the row from the first level drop down is changed.

any help will be highly appreciated.

Gokhul Varman · Answer

It is hideous process and needs clear understanding for more explanation refer the link:http://www.talkingdotnet.com/cascading-dropdown-select-list-using-angular-js-2/

Mitesh Gadhiya · Answer

I FOUND THE SOLUTION AND APPLIED IN MY CODE PLEASE HAVE A LOOK..It may help anyone who need it http://www.c-sharpcorner.com/blogs/cascading-dropdown-in-table-data