Data Validation with Formula

Question:  I send out a weekly stock report to the stock controller to update with the new stock items that come into the warehouse. In this Excel report the cell that contains a product code name always needs to begin with a standard prefix of ID- and must be at least 10 characters long. How do I ensure that the stock controller captures the Product ID’s correctly?

Answer:  By using a Formula in a Data Validation to calculate what is allowed to be captured.

Applies To: MS Excel 2007, 2010

  1. Apply Data Validation to column A (ProductID) to ensure that Product ID’s are entered correctly in future
  2. Select the Data Tab, Go to Data Validation
  3. Enter the following criteria for the Data Validation Settings Window
    • Allow – Custom
    • Formula AND(LEFT(A2,3)=”ID-“,LEN(A2)>9)

 

  1. Enter the following criteria for the Data Validation Input Message Window

 

 

  1. Enter the following criteria for the Data Validation Error Alert Window

 

  1. Insert the following Product ID’s into Column A
    • ID-23456789

 

 

    • ID456878673

 

 

You will get an Error alerting you that the Incorrect Product ID has been entered

Note: The input message prompts you to enter the correct Product ID’s
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