private void customer_btn_Click(object sender, EventArgs e)
{
Customer_Form customer = new Customer_Form();
customer.TopLevel = false;
customer.AutoScroll = true;
this.show_panel.Controls.Add(customer);
customer.Show();
}
private void account_btn_Click(object sender, EventArgs e)
{
Account_Form account = new Account_Form();
account.TopLevel = false;
account.AutoScroll = true;
this.show_panel.Controls.Add(account);
account.Show();
Customer_Form customer = new Customer_Form();
if (Application.OpenForms.OfType <Customer_Form>().Any())
{
customer.Close();
}
}