I found this , but doesn't work , why????

To get around this dilemma, you can edit Internet Information Server's (IIS) rsreportserver.config file to...

I think you mean that in the header appear the name and the value of the report parameter selected... maybe you can try with

parameters!city.label

Hello,

If I understanded you , you have parameters which dependend between them. I think this is the problem ... I think that you have to have a parameter which is loaded with the State...

Then the maximum or optimum number of columns is not by reporting services but by SQL.

I mean that I have to try not use so many fields in the stored...