// ============btnClose form==========================//
private void btnClose_Click(object sender, EventArgs e)
{
ClsTourCompany.Save();
MessageBox.Show("Are you sure you want to close?");
Close();
}
//==========Serialize=====Save=======Retrieve===========//Usecase Save,Retrive
private void frmMain_Load(object sender, EventArgs e)
{
try
{
ClsTourCompany.Retrieve();
updateDisplay();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}