var or string value goes into another form

ive been develop a project known as ordering system
i need to delete data from db by clicking the button

ive follow a tutorial from utube and to the exact ...

APLX is a very complete implementation of the APL programming language from MicroAPL. The company stopped producing it in 2016 and it has been taken over by Dyalog. While Dyalog ...

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;

public class DataStreamExample {

    public static void main(String[] args) throws IOException {
        File f = new File("seminar.txt");

        if (f.exists()) {
            BufferedReader br ...