public objects and state are cleared when with Delete and Add Row

[Ahmad-Gad]

Hi,
I'm using TypeScript with react-bootstrap-table.
Every time I hit "Add" or "Delete" button, I lose all the objects save in public or state.
ex:
this.data
this.state.data

Any clue why they are lost and how can I maintain them?

[AllenFang]

any example code for me to check firstly? I can 't debug by your description. Thanks