Request.QueryString

[shapper]

Hello,

I am requesting a value from a query string as follows:
Dim var As String = Request.QueryString("q").ToLower()

However, I get an error when 'q' is not present in the query string.
How can I prevent that?

Thanks,
Miguel

 

[KJ]

Also of interest (ASP.NET 2.0):

String.IsNullOrEmpty(Request.QueryString["q"])