If anyone was interested I solved this by doing the following:

=IIF(Parameters!quarter.Count=4,"DarkSlateBlue","White")

Ahh, that's done the job! Works a treat now.

Thanks for the help sir.

I have created a couple of text boxes and linked these to the Parameter. So when I click between the Headcount and Starters text boxes, the Parameter does change, the...

Hey,

Hmm, I did try removing it from my dataset query but then it stops working for everything, even though my filter refers to the parameter. I know I am missing...

Hi,

I've set up the Filter to use the Parameter instead but I'm now trying to remove the Parameter from affecting my Tablix. Maybe my head is getting fuzzy now, or...

Hey,

Yeah, that's exactly what I'm doing.

I was just about to look into filters actually, so I'll give this a go and let you know how I get on.

Cheers.