private void BtnNewReservation_Click(object sender, EventArgs e)
{
ValidationMethods.Enable_DisableTextBoxes(new List <TextBox>()
{
txtPatientID, txtPatientName, txtPatientPhone
}, true);
ValidationMethods.ClearTextBoxes(new List <TextBox>()
{
txtPatientID, txtPatientName, txtPatientPhone
});
cmbxVisitType.SelectedIndex = 0;
ValidationMethods.ClearCheckedListBoxSelection(clbAdditionalServices);
ValidationMethods.ClearTextBoxesNumbers(new List <TextBox>()
{
txtDiscount, txtPayed, txtRemaining
});
VisitsLogic.CalculateTotalRequired(cmbxVisitType, txtTotal, clbAdditionalServices);
}