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Earl
 
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Default how can I activate a 'numbers' duplicating prompt (help)

Has anyone come across this before?
I am listing a series of telephone numbers in an excell spreadsheet, and I
do not wish to duplicate any of the numbers already on my list, is there a
numbers prompt that someone knows about-they can kindly pass onto me as a
tip? (just like when using the letter or word prompts in an excell spread
sheet)

pls email:
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Paul B
 
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Earl, see if this will do what you want,
http://www.contextures.com/xlDataVal07.html

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"Earl" wrote in message
...
Has anyone come across this before?
I am listing a series of telephone numbers in an excell spreadsheet, and I
do not wish to duplicate any of the numbers already on my list, is there a
numbers prompt that someone knows about-they can kindly pass onto me as a
tip? (just like when using the letter or word prompts in an excell spread
sheet)

pls email:



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Ron Rosenfeld
 
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On Sun, 12 Jun 2005 12:29:02 -0700, "Earl"
wrote:

Has anyone come across this before?
I am listing a series of telephone numbers in an excell spreadsheet, and I
do not wish to duplicate any of the numbers already on my list, is there a
numbers prompt that someone knows about-they can kindly pass onto me as a
tip? (just like when using the letter or word prompts in an excell spread
sheet)

pls email:


You can use data validation for this function.

Select the range of cells where you might be entering phone numbers. For
example, Column A, with A1 as the active cell.

Data/Validation/Settings
Allow: Custom

Formula: =COUNTIF(A:A,A1)=1

Then enter whatever Input message and Error alert message (and type) you wish.


--ron
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sanskar_d
 
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Earl,

If you are looking for something that will eliminate duplicate data
then here is how you can do it the easily.

1. Insert a blank column on the right side of the "Telephone Number"
column.
2. Sort the data by the column in which you have these numbers.
(Note: select the complete lines before sorting, to avoid data from
corrupting.)

3. Now, go to Data -- Filters and click "Advance Filter".

4. Click "OK" on the message display.

5. In "List Range", select the data from which you need to extract only
unique data.

6. Select "Copy to another location" and click in the adjecent cell in
the blank column inserted earlier (Point 1.) (i.e. If your telephone
numbers starts from B2:B1000, then click C2.)

7. Select "Unique records Only". and click ok

Sometimes the first number is copied twice in the first two columns.

Hope this helps.

If this does not help then mail me the sheet on



sam


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