How to update data on button click

Question

data:{
    productId: string;
    Name: string;
    Size: [{
         id: string;
         Name: string;
         grade: [{
              Id: string;
              Name: string;
              unitName: string;
              Price: string;

        }
        {
              Id: string;
              Name: string;
              unitName: string;
              Price: string;
         }]
  }]
}

I am getting the above response, i have a function in which there is a button and using Flatlist I am rendering this function, now when I click on grade button i want to update the unitName and Price data according to that grade and when I click on size button i want to show only those grade which belongs to that size, please let me know how I can achieve this.

Answer 1

So If you could just share the code it would be much better but know that you can use useState to show a modal like and change the data with the onChange method