How to use variables in SQL Reporting 2008 R2

Question

I want to fill in a combo box with dates from the database. Then, based on user input, I want to change Tablix to filter only dates later than the selected date.

How can i do this?

Detailed steps will be helpful.

Answer 1

You do not need variables: you bind any filters to the corresponding control in the parameter collection

For example, Filtering, grouping, and sorting data or How to: Add a filter to a dataset

For something a little more obvious , and here, too,