using System.Collections.Generic;
using System.ComponentModel;
using System.Threading.Tasks;
using System.Windows.Forms;
public partial class Form1 : Form
private void tbMember_KeyDown(object sender, KeyEventArgs e)
if (e.KeyCode == Keys.Enter)
int n = Convert.ToInt32(tbMember.Text);
MessageBox.Show("Gán thành công!!");
MessageBox.Show(Convert.ToString(Msg),"Lỗi!!!",MessageBoxButtons.OK, MessageBoxIcon.Warning);
private void btnRamdomInitializer_Click(object sender, EventArgs e)
Random rd = new Random();
for (int i = 0; i < dataSource.Length; i++)
String strData = String.Join(",", dataSource);