Dec 18, 2013 04:27 PM|Rion Williams|LINK
You would likely need to use something like this as Visual Basic uses the '&HE' when referencing hex values :
Dim q = From c In credentials _
Select If(c <= &HE7f, Convert.ToByte(c), Convert.ToByte("?"C)
In Visual Basic, the If() statement is going to be equivalent to C#'s ternary '?' operator.