//Bind Payments
private void BindData_Payments()
{
dgvPayment.DataSource = handlerPayment.GetAllPayments();
}
//Bind payments to ComboBox
private void BindData_Payment()
{
cmbPayment.DataSource = handlerPayment.GetAllPayments();
cmbPayment.DisplayMember = "PaymentType";
cmbPayment.ValueMember = "PaymentID";
}