Excel cell data validation

[hari_infotech]

In my excel form, C column is US-Phone No. If user enters other than below format it has to show Error Message "Invalid phone no".

Formats are,

Correct

212.123.1234
212 123 1234
212-123-1234
(212)123-1234

InCorrect

2122.123.1234
212 123 1234aa
aaa-aaa-aaaa etc...

[ExcelIsEasy]

That means that data validation works

Somebody wanted to have numbers in these formats. Try to erase data validation from that cells.

[dogberry]

Hi

You could of course amend the data validation message from Invalid Phone no to a message that actually shows the correct format.

Chris

[Jakobshavn]

You could test the values with a small User Defined Function:

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So if C3 contains phone number, in another column:
=GoodPhone(C3)
would display the error message, otherwise a blank.


User Defined Functions (UDFs) are very easy to install and use:

1. ALT-F11 brings up the VBE window
2. ALT-I

ALT-M opens a fresh module

3. paste the stuff in and close the VBE window

If you save the workbook, the UDF will be saved with it.

To remove the UDF:

1. bring up the VBE window as above
2. clear the code out
3. close the VBE window

To use the UDF from Excel:

=GoodPhone(C1)

To learn more about macros in general, see:

http://www.mvps.org/dmcritchie/excel/getstarted.htm

or

http://www.cpearson.com/excel/Writin...ionsInVBA.aspx

for specifics on UDFs

Macros must be enabled for this to work!