private void FindCustomer_Load(object sender, EventArgs e)
{
BLL.BLL ss = new BLL.BLL();
DataSet ds = ss.FindCustomer_Selecr();
int hs = ds.Tables[0].Rows.Count;
listBox1.DisplayMember = "name";
listBox1.ValueMember = "phoneno";
listBox1.DataSource = ds.Tables[0];
if (listBox1.Items.Count != 0)
{
listBox1.SelectedIndex = 0;
}
}