Bind ArrayList to ListBox : DataBinding ListBox : GUI Windows Forms C# Examples

    
using  System;
using  System.Drawing;
using  System.Collections;
using  System.ComponentModel;
using  System.Windows.Forms;
using  System.Data;
using  System.Data.SqlClient;

public  class  Employee{

    public  string  ID;
    public  string  Name  ;

    public    Employee(string  strName,  string  strID)
    {
          this.ID  =  strID;
          this.Name  =  strName;
    }

    public  override  string  ToString()
    {
          return  this.ID  +  "  :  "  +  this.Name;
    }

}
public  class  ListBoxBindArrayList  :  System.Windows.Forms.Form
{
    private  System.Windows.Forms.GroupBox  groupBox1;
    private  System.Windows.Forms.RadioButton  rbAuthors;
    private  System.Windows.Forms.RadioButton  rbEmployees;
    private  System.Windows.Forms.ListBox  lb;

    private  DataTable  dataTable;
        private  ArrayList  Employees  =  new  ArrayList();

    private  System.ComponentModel.Container  components  =  null;

    public  ListBoxBindArrayList()
    {
        InitializeComponent();

        lb.Items.Add("A");
        lb.Items.Add("B");
        lb.Items.Add("C");
        lb.Items.Add("D");
        lb.Items.Add("E");

        lb.SelectedIndex  =  0;

        //  populate  the  arraylist  for  later  use.
                Employees.Add(new  Employee("A",  "1"));
                Employees.Add(new  Employee("B",  "2"));  
                Employees.Add(new  Employee("C",  "3"));
                Employees.Add(new  Employee("D",  "4"));
                Employees.Add(new  Employee("E",  "5"));
                Employees.Add(new  Employee("F",  "6"));
                Employees.Add(new  Employee("G",  "7"));
    }

    protected  override  void  Dispose(  bool  disposing  )
    {
        if(  disposing  )
        {
            if  (components  !=  null)  
            {
                components.Dispose();
            }
        }
        base.Dispose(  disposing  );
    }

    private  void  InitializeComponent()
    {
        this.lb  =  new  System.Windows.Forms.ListBox();
        this.groupBox1  =  new  System.Windows.Forms.GroupBox();
        this.rbEmployees  =  new  System.Windows.Forms.RadioButton();
        this.rbAuthors  =  new  System.Windows.Forms.RadioButton();
        this.groupBox1.SuspendLayout();
        this.SuspendLayout();
        //  
        //  lb
        //  
        this.lb.Location  =  new  System.Drawing.Point(16,  8);
        this.lb.Name  =  "lb";
        this.lb.Size  =  new  System.Drawing.Size(232,  212);
        this.lb.TabIndex  =  0;
        this.lb.DisplayMemberChanged  +=  new  System.EventHandler(this.lb_DisplayMemberChanged);
        this.lb.ValueMemberChanged  +=  new  System.EventHandler(this.lb_ValueMemberChanged);
        this.lb.DataSourceChanged  +=  new  System.EventHandler(this.lb_DataSourceChanged);
        this.lb.SelectedValueChanged  +=  new  System.EventHandler(this.lb_SelectedValueChanged);
        this.lb.SelectedIndexChanged  +=  new  System.EventHandler(this.lb_SelectedIndexChanged);
        //  
        //  groupBox1
        //  
        this.groupBox1.Controls.AddRange(new  System.Windows.Forms.Control[]  {
                                                                                                        this.rbEmployees,
                                                                                                        this.rbAuthors});
        this.groupBox1.Location  =  new  System.Drawing.Point(16,  240);
        this.groupBox1.Name  =  "groupBox1";
        this.groupBox1.TabIndex  =  1;
        this.groupBox1.TabStop  =  false;
        this.groupBox1.Text  =  "DataSource";
        //  
        //  rbEmployees
        //  
        this.rbEmployees.Location  =  new  System.Drawing.Point(24,  56);
        this.rbEmployees.Name  =  "rbEmployees";
        this.rbEmployees.TabIndex  =  1;
        this.rbEmployees.Text  =  "Employee\'s";
        this.rbEmployees.CheckedChanged  +=  new  System.EventHandler(this.rb_CheckedChanged);
        //  
        //  rbAuthors
        //  
        this.rbAuthors.Checked  =  true;
        this.rbAuthors.Location  =  new  System.Drawing.Point(24,  32);
        this.rbAuthors.Name  =  "rbAuthors";
        this.rbAuthors.TabIndex  =  0;
        this.rbAuthors.TabStop  =  true;
        this.rbAuthors.Text  =  "Authors";
        this.rbAuthors.CheckedChanged  +=  new  System.EventHandler(this.rb_CheckedChanged);
        //  
        //  ListBoxBindArrayList
        //  
        this.AutoScaleBaseSize  =  new  System.Drawing.Size(5,  13);
        this.ClientSize  =  new  System.Drawing.Size(264,  389);
        this.Controls.AddRange(new  System.Windows.Forms.Control[]  {
                                                                                          this.groupBox1,
                                                                                          this.lb});
        this.Name  =  "ListBoxBindArrayList";
        this.Text  =  "ListBoxBindArrayList";
        this.Load  +=  new  System.EventHandler(this.ListBoxBindArrayList_Load);
        this.groupBox1.ResumeLayout(false);
        this.ResumeLayout(false);

    }
    [STAThread]
    static  void  Main()  
    {
        Application.Run(new  ListBoxBindArrayList());
    }

    private  void  rb_CheckedChanged(object  sender,  System.EventArgs  e)
    {
        lb.DataSource  =  Employees;
        lb.DisplayMember  =  "Name";
        lb.ValueMember  =  "ID";
    }

    private  void  lb_SelectedIndexChanged(object  sender,  System.EventArgs  e)
    {
        MessageBox.Show(lb.SelectedIndex.ToString()+  "\n"  +  lb.GetItemText(lb.SelectedItem),"lb_SelectedIndexChanged");        
    }

    private  void  lb_SelectedValueChanged(object  sender,  System.EventArgs  e)
    {
        MessageBox.Show(lb.GetItemText(lb.SelectedItem),"lb_SelectedValueChanged");        
    }

    private  void  lb_DataSourceChanged(object  sender,  System.EventArgs  e)
    {
        MessageBox.Show(lb.DataSource.ToString(),  "lb_DataSourceChanged");        
    }

    private  void  lb_DisplayMemberChanged(object  sender,  System.EventArgs  e)
    {
        MessageBox.Show(lb.DisplayMember.ToString(),  "lb_DisplayMemberChanged");        
    }

    private  void  lb_ValueMemberChanged(object  sender,  System.EventArgs  e)
    {
        MessageBox.Show(lb.ValueMember.ToString(),  "lb_ValueMemberChanged");        
    }

    private  void  ListBoxBindArrayList_Load(object  sender,  System.EventArgs  e)
    {
        this.lb.SelectedValueChanged  +=  new  System.EventHandler(this.lb_SelectedValueChanged);
        this.lb.SelectedIndexChanged  +=  new  System.EventHandler(this.lb_SelectedIndexChanged);
    }
}