Every one can use it to compare the new value with old ones.
But for this demo, I’ll show you the simple version, that also doesn’t work 🙂Let’s bind the data to our Grid View and have it autogenerate our columns, as well as an edit button.
Here Mudassar Ahmed Khan has explained with an example, how to access complex nested JSON objects in Angular JS.
Complex nested JSON objects comprises of a JSON object array and each object of the JSON array consisting of another child JSON object array.
Take a look at the page load if you are binding on post back then the values get updated before you are able to access them.
Follow this link for more details --While this link may answer the question, it is better to include the essential parts of the answer here and provide the link for reference.