public string ToString(string format, IFormatProvider formatProvider)
{
if (string.IsNullOrWhiteSpace(format))
{
format = "G";
}
switch (format)
{
case "P":
return(Price.ToString());
case "C":
return(Class.ToString());
case "D":
return(ValidityDate.ToString());
case "G":
return($"Class: {Class}, valid until: {ValidityDate}");
default:
throw new FormatException("Format specified was invalid.");
}
}
private bool isValuesAssigned()
{
decimal mdecAmount = 0;
try
{
mdecAmount = Convert.ToDecimal(txtAmount.Text);
}
catch
{
txtAmount.Focus();
MessageBox.Show("Sorry you have entered an invalid amount for credit card payment." +
"Please type a valid credit amount.", "RetailPlus", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
if (txtCardNo.Text == null || txtCardNo.Text == "")
{
txtCardNo.Focus();
MessageBox.Show("Please type a valid Card No.", "RetailPlus", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
if (txtCardHolder.Text == null || txtCardHolder.Text == "")
{
txtCardHolder.Focus();
MessageBox.Show("Please type a valid Card Holder.", "RetailPlus", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
DateTime ValidityDate = DateTime.MinValue;
if (txtValidityDates.Text == null || txtValidityDates.Text == "")
{
txtValidityDates.Focus();
MessageBox.Show("Please type a valid Validity Date.", "RetailPlus", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
else if (txtValidityDates.Text != null && txtValidityDates.Text != "")
{
try
{
string Month = txtValidityDates.Text.Substring(0, 2);
string Year = "20" + txtValidityDates.Text.Substring(2, 2);
string Day = DateTime.DaysInMonth(Convert.ToInt32(Year), Convert.ToInt32(Month)).ToString();
ValidityDate = new DateTime(int.Parse(Year), int.Parse(Month), int.Parse(Day));
}
catch
{
txtValidityDates.Focus();
MessageBox.Show("Please type a valid Validity Date. Format must be mmyy", "RetailPlus", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
if (ValidityDate < DateTime.Now)
{
txtValidityDates.Focus();
MessageBox.Show("Card has been expired, please ask for a valid credit card.", "RetailPlus", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
}
Data.CardType clsCardType = new Data.CardType();
Data.CardTypeDetails cardtypedetails = clsCardType.Details(cboCardType.Text);
clsCardType.CommitAndDispose();
mDetails.BranchDetails = mclsTerminalDetails.BranchDetails;
mDetails.TerminalNo = mclsTerminalDetails.TerminalNo;
mDetails.TransactionID = mclsSalesTransactionDetails.TransactionID;
mDetails.TransactionNo = mclsSalesTransactionDetails.TransactionNo;
mDetails.Amount = mdecAmount;
mDetails.CardTypeID = cardtypedetails.CardTypeID;
mDetails.CardTypeCode = cardtypedetails.CardTypeCode;
mDetails.CardTypeName = cardtypedetails.CardTypeName;
mDetails.CardNo = txtCardNo.Text;
mDetails.CardHolder = txtCardHolder.Text;
mDetails.ValidityDates = ValidityDate.ToString("MMddyy");
mDetails.Remarks = txtRemarks.Text;
return(true);
}