Possible Duplicate:
Is there a conditional ternary operator in VB.NET?
Can we use the Coalesce operator(??) and conditional ternary operator(:) in VB.NET as in C#?
I think you can get close with using an inline if statement:
//C#
int x = a ? b : c;
'VB.Net
Dim x as Integer = If(a, b, c)