Category Archives: Uncategorized

Validating a Bank Routing Number on a Web Form

Have you ever had to collect a routing number and bank account number on a web form? I’ve worked on a lot of software where we collected this information (I’ve spent a lot of time on banking systems), but never … Continue reading

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Logical Tests Using OR in Crystal Reports

Consider these two formulas in Crystal Reports:

One would think that these two should behave the same, right? In fact, the results are different if Table.Value is null. In the first case, “if isnull({Table.Value}) gets evaluated first. Since … Continue reading

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