private void cbDepart_SelectedIndexChanged(object sender, EventArgs e)
{
int index = cbDepart.SelectedIndex;
SqlServerDAL sql = new SqlServerDAL();
List <Employee_info> list = sql.Rename(index);
lbemployee.DisplayMember = "EmployeeName";
lbemployee.ValueMember = "EmployeeId";
lbemployee.DataSource = list;
}
private void cmbDept_SelectedIndexChanged(object sender, EventArgs e)
{
//lbname.Items.Clear();
int index = cmbDept.SelectedIndex;
SqlServerDAL sql = new SqlServerDAL();
//SqlDataReader dt= sql.Rename(index);
List <Employee_info> list = sql.Rename(index);
lbname.DataSource = list;
lbname.DisplayMember = "EmployeeName";
lbname.ValueMember = "EmployeeId";
}