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  1. #1
    deena is offline Member
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    Nov 2012
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    Default displaying data in 4 tier cascading dropdown list

    Hi,

    i am new to swings.I have employee table that displays emp information now i need a way to display this info in cascading drop dropdown list in swings.
    first it should display all states,then corresponding cities then area and then emp name.can anyone help me with this.

    first i am trying this with hardcoded values. my program display emp information based on id.
    employee
    {
    int id[];
    String name[];
    String state[];
    String city[];
    String area[];

    }
    import java.util.ArrayList;
    import java.io.*;

    public class Employeelookup {

    static ArrayList<Employeelookup> al = new ArrayList<Employeelookup>();
    int id;
    String name;
    String State;
    String city;
    String Area;

    static int count = 0;
    {
    }
    Employeelookup()
    {
    }
    Employeelookup(int id, String name, String State,String city,String Area)
    {
    this.id = id;
    this.name = name;
    this.State=State;
    this.city=city;
    this.Area=Area;

    count++;
    }
    public void SetId(int id)

    {
    this.id=id;
    }
    public int getId()
    {
    return id;
    }
    public void SetName()
    {
    this.name=name;
    }


    public void putDetails(Employeelookup e)
    {
    al.add(e);

    }

    public Employeelookup getDetails(int id)
    {
    Employeelookup es = (Employeelookup)al.get(id);
    return es;
    }

    public static void main(String[] args ) throws IOException
    {

    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

    Employeelookup e = new Employeelookup();
    Employeelookup e1 = new Employeelookup(1, "SaiRam", "karnataka","bangalore","rajajinagar");
    Employeelookup e2 = new Employeelookup(2, "Anu", "karnataka","mysore","temple road");
    Employeelookup e3 = new Employeelookup(3, "Vasu", "karnataka","bangalore","rajajinagar");
    Employeelookup e4 = new Employeelookup(4, "Shillu", "Tamil Nadu","madhurai","b");
    Employeelookup e5 = new Employeelookup(5, "Madhu", "Karnataka","shimoga","bus stop");
    Employeelookup e6 = new Employeelookup(6, "Volga", "Andra","abc","railway stop");


    e.putDetails(e1);
    e.putDetails(e2);
    e.putDetails(e3);
    e.putDetails(e4);
    e.putDetails(e5);
    e.putDetails(e6);

    System.out.println("The total number of Employeelookups are: " +count);
    System.out.println(" ");

    while(true)
    {
    System.out.println("Enter Employeelookup id to get the Employeelookup details: ");
    int id = Integer.parseInt(br.readLine());
    boolean flag = false;


    for(int i=0; i <al.size();i++) {
    Employeelookup es = e1.getDetails(i);
    if(id == es.id)
    {
    System.out.println("The details of the Employeelookup with id " +id +" is: ");
    System.out.print(es.id +" " +es.name+" " +es.State+" " + es.city+" " +es.Area+" "+"" );
    flag = true;
    break;
    }
    }

    System.out.println(" ");

    if(!flag)
    {
    System.out.println("Sorry, no data exists with the id " +id);
    }
    System.out.println(" ");
    String ch = null;

    while(true)
    {
    System.out.println("Want to Continue(y/n)?)");
    System.out.println(" ");
    ch = br.readLine();
    if(ch.equalsIgnoreCase("y") || ch.equalsIgnoreCase("n")) break;
    if(!(ch.equalsIgnoreCase("y") || ch.equalsIgnoreCase("n")))
    {
    System.out.println("Invalid option : please type y/n");
    System.out.println(" ");
    }
    }

    if(ch.equalsIgnoreCase("n"))
    {
    System.out.println(" ");
    System.out.println("Thank you");
    break;
    }
    }
    }
    }

  2. #2
    DarrylBurke's Avatar
    DarrylBurke is offline Member
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    Madgaon, Goa, India
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    Default Re: displaying data in 4 tier cascading dropdown list

    If you're forever cleaning cobwebs, it's time to get rid of the spiders.

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