I have a form that takes in a credit card number, just a series of numbers
123412341234123 4. When they get to the "Review" page and display all the
information a user has entered, I would like the number to be formatted in a
XXXX-XXXX-XXXX-1234 type of format.
Any good suggestions how to do this?
Anyone out there use that credit card validation tool from to MS downloads
for Visual Studio..? Easy..? Not worth the time?
Thanks. 4 3674
string strCCNum = "12341234123412 34";
string strLastFour = strCCNum.Substr ing(strCCNum.Le ngth-4,4);
string strOutput = "XXXX-XXXX-XXXX-" + strLastFour;
"Michelle A." <me@me.com> wrote in message
news:OS******** ******@tk2msftn gp13.phx.gbl... I have a form that takes in a credit card number, just a series of numbers 123412341234123 4. When they get to the "Review" page and display all the information a user has entered, I would like the number to be formatted in
a XXXX-XXXX-XXXX-1234 type of format.
Any good suggestions how to do this?
Anyone out there use that credit card validation tool from to MS downloads for Visual Studio..? Easy..? Not worth the time?
Thanks.
Hello
Assuming that the string length is validated to be 16 digits, you can format
it using this code
string formated = cc.Insert(12, "-").Insert(8 , "-").Insert(4 , "-");
where cc is the string holding the credit card number.
or better to avoid creating many strings
StringBuilder strbld = new StringBuilder(c c, 17);
string formated = strbld.Insert(1 2, '-').Insert(8, '-').Insert(4,
'-').ToString();
As for your second question about credit card validation tool, I don't know
it, sorry.
Regards
"Michelle A." <me@me.com> wrote in message
news:OS******** ******@tk2msftn gp13.phx.gbl... I have a form that takes in a credit card number, just a series of numbers 123412341234123 4. When they get to the "Review" page and display all the information a user has entered, I would like the number to be formatted in
a XXXX-XXXX-XXXX-1234 type of format.
Any good suggestions how to do this?
Anyone out there use that credit card validation tool from to MS downloads for Visual Studio..? Easy..? Not worth the time?
Thanks.
I didn't read that second part - about a validation tool.. there is a
formula.. I just started writing about how I don't remember, but I just
looked on google.. here ya go: http://groups.google.com/groups?hl=e...0f0fae6&rnum=1
(careful for wrapping)
So will basically tell you what kind of card it is, and immediately if it is
a valid credit card or not...
"Michelle A." <me@me.com> wrote in message
news:OS******** ******@tk2msftn gp13.phx.gbl... I have a form that takes in a credit card number, just a series of numbers 123412341234123 4. When they get to the "Review" page and display all the information a user has entered, I would like the number to be formatted in
a XXXX-XXXX-XXXX-1234 type of format.
Any good suggestions how to do this?
Anyone out there use that credit card validation tool from to MS downloads for Visual Studio..? Easy..? Not worth the time?
Thanks.
Sherif, Frank and Rick.. Thanks for your replies and suggestions. I
appreciate it.
"Rick Spiewak" <ri*********@mi ndspring.com> wrote in message
news:eb******** ******@tk2msftn gp13.phx.gbl... You can use a regular expression validator to validate credit cards, depending on the kind of card. Here's the code I use:
Private Sub dlCreditCardTyp e_SelectedIndex Changed(ByVal sender As System.Object, ByVal e As System.EventArg s) Handles dlCreditCardTyp e.SelectedIndex Changed
validate_Card()
End Sub
Private Sub validate_Card()
Dim sValidate As String
Select Case dlCreditCardTyp e.SelectedItem. Value
Case "AMEX"
sValidate =
"^(3[4,7]\d{2})(-?|\040?)\d{6}(-?|\040?)\d{5}$" Case "Visa"
sValidate = "(4\d{3})(-?|\040?)(\d{4}(-?|\040?)){3}$"
Case "MasterCard "
sValidate = "(5[0-5]\d{2})(-?|\040?)(\d{4}(-?|\040?)){3}$"
Case "Discover"
sValidate = "(6011)(-?|\040?)(\d{4}(-?|\040?)){3}$"
End Select
Me.regEXCC.Vali dationExpressio n = sValidate
Me.Validate()
End Sub "Michelle A." <me@me.com> wrote in message news:OS******** ******@tk2msftn gp13.phx.gbl... I have a form that takes in a credit card number, just a series of
numbers 123412341234123 4. When they get to the "Review" page and display all the information a user has entered, I would like the number to be formatted
in a XXXX-XXXX-XXXX-1234 type of format.
Any good suggestions how to do this?
Anyone out there use that credit card validation tool from to MS
downloads for Visual Studio..? Easy..? Not worth the time?
Thanks.
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