Checking if URL parameter exists

[Andrew Banks]

How can I check if a URL parameter exists before trying to do something

If(Request.QueryString("Whatever") EXISTS??)
{
DoSomething();
}

 

[Chris R. Timmons]

How can I check if a URL parameter exists before trying to do
something

If(Request.QueryString("Whatever") EXISTS??)
{
DoSomething();
}

Andrew,

Check to see if it's null:

if (Request.QueryString("Whatever") != null)
{
...
}

Hope this helps.

Chris.

 

[Kevin Spencer]

if (Request.QueryString["Whatever"] != null)

--
HTH,
Kevin Spencer
..Net Developer
Microsoft MVP
Big things are made up
of lots of little things.