private void btnAdd_Click(object sender, EventArgs e)
{
if (CheckData() == true)
{
if (Check_CustomerIDtExist() == true)
{
DTO_Customer dto_cus = new DTO_Customer(txtCustomerID.Text, txtName.Text, Birthday.Value.ToShortDateString(), txtGender.Text, txtAddress.Text, txtEmail.Text, txtPhonenumber.Text);
if (bus_cus.Add(dto_cus))
{
MessageBox.Show("ADDING SUCCESS!", "ADD", MessageBoxButtons.OK, MessageBoxIcon.Information);
LoadData();
ResetValues();
}
else
{
MessageBox.Show("ADDING FAIL!", "ADD", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show("' " + txtCustomerID.Text + "' already exists!", "ERROR", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}