The Daily WTF

Mike sends us some VB.Net code today.

For fileDataCount = 0 To 4 Step 1 Try Dim dataValidate As String = fileData(fileDataCount).ToString Catch ex As Exception error = 1 End Try Next

We enter a loop from 0 to 4, counting by 1. We don’t need to specify that, that’s the default behavior, but hey, it doesn’t hurt to be explicit. Then, in a try/catch, we create a string variable and try and extract an element from the array via the loop counter. If this fails, we set an error flag and keep looping.

The question is: what is this code for? It sets the error flag under two conditions: if an element in the array is null (ToString will fail), or if the array doesn’t contain 5 elements.

The validation, in this case, wasn’t concerned about nulls: they were just using this block of code to check the

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