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November 2006 Archives

By Justin Gattuso
Posted on Nov 21, 2006

Here at InetSolution we do a lot of work with banking applications and due to this we run into the need to validate ABA numbers for proper length, format and checksum. ABA numbers are bank routing and transit numbers that are assigned to banks and credit unions in the United States. These are 9 digit values with a built-in checksum value that results from an internal algorithm to ensure that a given 9 digit string is in fact a real ABA number.

We have a small and very simple component to help programmers using .NET to perform the ABA validation without worrying about the internal algorithm involved, just feed it a string and it will perform its magic to let you know if the string is a validly formatted ABA number or not, and if it isn’t, how it is wrong so you can let your users know.

Continue reading ".Net Component to Perform ABA Validation" »

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