private void cboCustomerID_SelectedIndexChanged(object sender, EventArgs e)
{
Load_cboPetID();
var item = this.cboCustomerID.GetItemText(this.cboCustomerID.SelectedItem);
try
{
txtCustomerName.Text = bus_cus.Display_Customer(item).Rows[0]["NAME"].ToString();
Birthday.Value = DateTime.Parse(bus_cus.Display_Customer(item).Rows[0]["BIRTHDAY"].ToString());
txtGender.Text = bus_cus.Display_Customer(item).Rows[0]["GENDER"].ToString();
txtAddress.Text = bus_cus.Display_Customer(item).Rows[0]["ADDRESS"].ToString();
txtEmail.Text = bus_cus.Display_Customer(item).Rows[0]["EMAIL"].ToString();
txtPhonenumber.Text = bus_cus.Display_Customer(item).Rows[0]["PHONE_NUMBER"].ToString();
ResetValues_Pet();
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
}