Be aware though there are formatting issues when using the print button in SP2.  I have over 150+ reports but they only will print correctly from PDF.

Yes, you can use a custom assembly to accomplish this.  However, using this is disabled be default and you'll need to modify two config files, RSReportDesigner.config and RSReportServer.config.  The code...

Another option is to execute the query from the data tab and then click the refresh button.  The field list will then be available.

Dave

On the data tab, execute your query.  Once you have results, click the refresh button.  The fields should now appear.

You'll need to connect into the web service for this.  There's a very good article at http://www.odetocode.com/Articles/114.aspx that shows how to do this.

You can use an iif statement to change the value in the table, for example:

=iif(Fields!location.value = "Value Unknown", "", Fields!location.Value)

Have you tried adding the site to your list of Trusted Sites in IE?

The report title can be layed in with a text box and typing whatever you'd like or if you want to use the name of the RDL in your report,...

Once you have the results back in the dataset, you need to click the refresh button.  The fields should now be available to you.