How to make tablix visible based on parameters in SSRS

Question

I have a Report which has 3 parameter values ABC,BBC,CBC and i have three tablix TAB1,TAB2,TAB3 .

my requirement is to Display tablix TAB1 when parameter is set to A

Answer 1

for TAB1:-

=iif(Parameters!parametername.Value="ABC",false,true)

for TAB2:-

=iif(Parameters!parametername.Value="BBC",false,true)

for TAB3:-

=iif(Parameters!parametername.Value="CBC",false,true)

This is a pretty easy task. Here is more about SSRS Parameters